Feelgood RK8900S User manual

RK8900S
Please read SAFETY INSTRUCTIONS carefully before using the chair.User 's Manual
Massage Chair

RK8900S
1. Combined with national-patent 4D flexible swing massage mechanism at the back, the massage chair is designed with functions such as kneading, tapping, shiatsu, knocking and quick rubbing user's back, creatively imitate human hands compound kneading technique, offers comfortable body massage.23. Super long L-shape rail design, rollers moving from top to seat area can achieve any angle massage to the thighs, experience the comfort of the whole body massage.4. Micro space forward sliding function, it can put the massage chair close to the wall, saving space, make you enjoy the massage within limited home space. 5. One-touch key lying down to flat angle and true zero gravity function can effectively relieve pressure on the spine and joints, enjoy the physical and mental relaxation of the comfortable feeling; footrest lifting position is a little higher than the user's heart position at recline angle of the backrest, which can provide more oxygen to the brain.6. Convenient wireless full-color LCD screen remote control can real-time display massage position, techniques and status, also can personalize custom massage program.7. With Bluetooth control technology, connecting with mobile phones, tablet PCs and other mobile devices, the massage experience can be perfectly combined with wireless control through APP program control. 8. Wireless Bluetooth music player can effectively adjust the mood, ease mental fatigue.9. Innovative leg rubbing technology, leg muscles rubbing massage can effectively improve the leg pain effect, restore health and vigorous of legs.10. With omnibearing rolling and air pressure massage function in foot parts,stimulate the foot reflection zone by foot roller heating function.11. 12. 13.Footrest can be extended and retracted within the range of 22 cm, suitable for different height people to use. 14. Ionizer air purification technology can absorb harmful substances in the air, purify the local air quality.15. Following user's voice guidance, intelligent voice activation technology can make you enjoy a comfortable massage service. . Designed with heating ball on massage machine, it can do heating therapy on neck, shoulder, waist and buttocks, relieve pain and promote blood circulation.Air pressure squeezing massage on your arms,which can promote blood circulation of blood capillary. Equipped with multiple sets of airbags in waist and hip parts,which can completely cover the waist,hip and thigh parts, to effect air pressure squeezing massage alternately, and relieve the fatigue effectively.Function Introduction
Massage Chair
准备工作按摩操作1728291561523262778
护理其他
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安装
Note: We reserve the right for design modification. It is subject to change without notice. The pictures in this manual are only for reference. Please refer to the actual product.
1.Thank you for choosing this Massage Chair RK8900S2.Please read this manual carefully before using the massage chair.3.Please keep this manual in a safe place for further reference.4.Please pay attention to SAFETY INSTRUCTIONS..
Please keep this manual in a safe place for future reference.
Content
External structure partsInternal structure partsThe adjustment before massageOperation instruction &function illustrationManual control Clean and maintenance
Preparation
Safety instructions
Massage Operation
Malfunction guide After massageMechanical components diagramMechanical components list
Maintenance
Others
Technical dataInstallation
Installation

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Osteoporosis patientPeople with heart disease including embedded pacemaker or other medical electronic device inside the body.For pregnant women or people not healthy,please consult doctor before use.Do not use the chair when the skin damage.Kids and the drunk people are not allowed to use the chair.Please don't sleep in the chair.Don't use the chair when your body is wet.Those who are not sensitive to the heat or allergic to the heat must be careful when using it, or do not use.Patients with a high fever forbid to use this machine.Perceptual disabilities patients forbid to use this machine.People over 80 years old forbid to use this machine.
Those who move around difficulty or can't express themselves must be taken care of strictly and continuously during massage .
Please read this manual carefully to make sure the installation and operation of the massage chair is correct.“Safety Instructions” is provided in both Warning and Caution for important safety information.Both Warning and Caution are important safety caution, please pay more attention.
This sign indicates forbidden behavior.
This sign indicates must follow instruction to operate.This sign indicates self disassembly is forbidden.
This sign indicates correct operation of cable.
Warning This sign indicates warning of causing possible death or hurt to body.Caution This sign indicates caution of causing possible hurt or damage to things.
▲Symbol meaning The following should be kept for any further references.
Warning
Power cord, plug, socket can't be used in broken or loose contactcondition.Don't use other electric power except rated voltage in case of fire,electric shock or any breakdown.Any broken, re-process, knotted, twisted power cord or pressed under heavy cargo is not allowed to use.
Insert the plug of the chair into correct and suitable power socket.Make sure the plug is completely inserted into the socket to reduce short circuit or fire risk.Unplug the power when not in use,stop all massage functions and turn off on/off key before unplugging.
Massage cushions of the chair are not allowed to fold for storage.The machine is forbidden for no-load running for a long time.
If the chair works dysfunctional, or is broken, splashed with water or falls into water, please have it repaired by professional repairman or send the chair to assigned service agent.Self-modification, disassembly or maintenance is forbidden.If power cord or plug is damaged, please don't replace it yourself, please contact us or appointed dealer for replacement.To avoid electric shock or body hurt, please don't open or disassembleany part of the chair, there is not any attached part of the chair formaintenance by customers.Check leather or cloth material on the back and other areas is brokenor not. If broken, even though it is small, please stop using the chair, unplug the power and have it repaired
Disassembly and maintenance
People who are not suitable to use the chair
AccidentFire and electric shock
Fire and electric shock
Accident/injury
It is prohibited to use the massage chiar while any items covered the massage chair ventilation holes.
Safety instructionsSafety instructions
PreparationPreparation
Make sure there are no kids or pets or other objects around (under,behind or in front of) the chair at the moment of backrest, leg-rest up/down or leg-rest retraction/extension from reclining position.During operation, if you have body abnormal,please stop the operation and go to consult your physician.Please do not take strong massage on the head.Do not massage belly or knees,be careful when massage neck. Children or pets are not allowed to play on the chair especially during massage. Standing or sitting on the back or armrest is not allowed either.

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Hand control should be timely put into the hand control bag, do not arbitrarily put away, to avoid squeezing or drop damage.
Don't use or store the chair in the wet environment like nearing the swimming pool, or bathroom.Keep the chair and remote control dry all the time.Unplug the power when any damage on the power.
Caution
Unplug the power before cleaning the chair.Unplug the power after using the chair.
Please turn off the power switch and unplug the power after massage.
Unplug the power immediately when electricity goes off.
Make sure to install the earth wire in correct way(Incorrect install way may cause electric shock. If you don't know how to install, please find a professional electrician)Don't use plug adapter (If the enclosed plug doesn't match with socket, please don't change the plug by yourself and find a professional electrician to install a matched socket. )
Hold the plug to unplug the power but not try to pull the wireto unplug the power.Safety instructionsSafety instructions
PreparationPreparation
To avoid leakage or electric shock.
To avoid electric shock.To avoid electric shock or fire harzard.To avoid accidents
To avoid damage or accidents when power on again.
▲Gas pipe: probably cause explosion or fire.Phone wire and lightning rod: probably cause electric shockand fire when thundering.Water pipe: earth wire is useless where there are plastics
Earth wire is not allowed to be in these places
Grounding instruction
Replace fuse
※The chair is equipped with a cord having a grounding conductor.The plug must be plugged into an appropriate socket that is properly installed and matched with the plug.※When the fuse is burned out, please turn off the switch and unplug the power. Opening the lid covered the fuse which is located in the switch box. Using a same size fuse to replace the old one, then cover the lid. Or you can find an electrician to replace the fuse.Position the chair 10cm from the wall to allow for sufficient space to recline up and down.Please operate the chair in a flat or level placeInstalling earth wire in correct way.The plug must be inserted into socket with earth connect ,the earth connect couldn't be bend or cut off.
Don't press with hands or step on the massage heads with feet.Don't put hands between the working massage heads.Don't put hands or feet in the gap of mechanical parts.Don't drop or embed anything into the slot of massage chair.Don't stand or sit or put anything on the backrest, armrest or leg-rest.Don't stand on the chair during operation.Don't move the chair during operation.Don't pull out the plug or turn off the power during operation.Don't put your hands or head between leg-rest or beneath.Don't use the massage chair while wearing hair ornaments.Don't put hard things in pocket when take buttocks and huckle massage.Don't sit or press on the backrest when the chair is in reclining position.Don't use at bare skin or were thin clothes, thin clothes may can achieve better massage effect, But it also may cause irritation to the skin or cryogenic burns.
Caution
Keep the chair away from stove or other heating products.
Don’t put the chair directly under the sun or other high temperature places.
To use electric blanket or other heating products on the chair is forbiden.To avoid sudden falling.
The maximum suggested operating time is 20mins.5mins for each position beginning with the slight- step massage.Along continuous massage in the same position may cause uncomfortable feeling.
Before sitting on the chair to avoid injury please inspect everything to confirm that the massage heads are in the correct position.Too long time massage is bad for your body.To avoid electric shock in any leakage or breakdown.
To avoid fade, discolor on upholstery or hardened, deteriorated on PU.
Don't use the chair outdoor.
Keep the chair away from heat, wet, sharp things and corrosive, inflammable, explosive environment.
Make sure the plug completely insert into the socket.
To reduce short circuits and any fire hazard.
To avoid the accident when turn on the power.
Turn off all controls before removing plug from outlet.
Checking whether any damage on wire,make sure no water or rubbish on wire.Please make sure that the power switch is at the“OFF” position before inserting the plug into the socket.
To make sure the back lying.To avoid accidental injury.To avoid accidents or injury
Don't put in the space of dust serious or corrosive gas environment,Don't put the chair in a small space places or use in the bad air circulation places.

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Breathe lightLED
Convenient remote control
Seat
Foot heating plate
Side airbag of leg
Voice controlIonizer
Leg roller and shiatsu
Leg twist device
Preparation
Internal structure parts
Internal structure
External structure
External structure parts
Preparation
Back seat cushion
Loud speakerLeft shoulder massage device
Right shoulder massage device
Right armrest
Legrest
Footrest
Head pad
Left armrest
Castor
Remote control
Remote control pocket
Power switchPower case
Power cord socket
BackrestFuse holer
Heating Massage head
Shoulder airbag
Waist airbag
Air bags in the side seat
Footrest airbag
Foot roller and shiatsu
Air bags in the arm area
MENU
OK
Quickrelaxation
AUTO
Shoulder cushion

81111111111213141516171812347611112
Backrest electric actuator
Seat bottom frame assembly PillowBack and seat cushion Backrest assemblySeat electric actuator5Base assembly910111Foot and leg assembly 1
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按摩操作按摩操作
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1119
Shoulder device assembly
20Back cover assembly11
Mechanical components diagram
Mechanical components list
Explosion Diagram
Preparation
Mechanical components list
Preparation
NO.Q'tyNameQ'tyNameNO.
Remote control
Right side fenderLeft side fenderLeft amrest assemblyPower case assemblyMassage machine
Right armrest assembly
Sliding rail
Footrest electric actuator
Seat frame surface assembly

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Two people grasp left and right seat metal frame ,the other one catch handling position of the back cover, then take the main body of massage chair out of the box .
Installation()1
Installation
Installation
Installation
Installation()2
Installation
Step 1. Take out the main body and accessories from the carton box.
①②Take out the accessories boxes and the main chair from the carton box by at least three people .Confirm all the accessories.
Massage chair main bodyThe accessories
Head pad
Back seat cushion
Controller bagElectric power cableRemote control
③ Take out the left ,right armrest from the amrest carton box,put the armrest on the table or ground in flat(pay attention to prevent scratches)
④Taking out the legrest device from the legrest carton box,catching the front and back two sides of the legrest and take them out.
Right armrest
Left armrest
Legrest device
Check environment
Make sure the recline space.At least 50cm from wall
At least 10cm from wall
CushionsGrounding part
Because the chair is heavy, it may ruin your floor in long time setting. Please put a blanket or other soft things to protect your floor.
Caution：Don’t use the chair in wet places liks near swimming pool , bath room to avoid leakage or electric shock.Don’t use under sunlight or near stove or other heating place to avoid upholstery deteriorated.
Please use chair in flat place to avoid chair falling or noise or other unexpected trouble.
MENU
OK
Quickrelaxation
AUTO
Shoulder cushion
USB cable

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Air hoses connect with the air nozzle and power line plug connect with the socket④
①②③④⑥Unscrew the bolt from hanger of legrest. Connect the legrest's air hose with the corresponding air nozzles of the main body tightly.Connect power line with power socket tight. raise the rotation shaft board on hangers, raise the legrest with hands, put rotation shaft into hangers on main body, and put rotation shaft board down.Screw it back tight.Connect the legrest leather piece with seat by velcro .⑤▲
Caution: Make sure the air tube and wires cannot twist together.③②Rotating stand on the side of chair bodyFixed holeFixed panel①②Inner plate of armrestAir tubePower cord12②③Cylindrical plugAssembly steps⑤
▲
CAUTION: Do not squeeze the air tubes during the installation. This may cause air leakage or the air bags are not inflatable. Please make sure that the fixed plate and LED wire need to be plugged firmly, otherwise the armrest may drop or LED light does not shine.
②③④Insert the rear armrest fixed plate into the fixing hole on the chair body.⑤Remove the rubber plug of the armrest, spin the screws inside the hole tightly then put on the rubber plug tightly.①Lift the armrest and plug it into the rotating stand on the side of the chair body.Put the power plug into the socket.Connect the air hose of armrest with the air tubes on the seat tightly, the black air tube should be connected with the air hose marked with "1" and the grey air tube should be connected with the air hose marked with "2".
④①④⑤
⑥ Paste the leg-rest hanging leather velcro on the seat.
Installation
Installation()3
InstallationInstallation
Installation()4
Installation
Step 2. How to assemble the legrest
Hanger
BoltAir nozzleSocketAxisPower line plugAir tubeAir tubePower lineAxis coverLift the legrest to put the axis into the hanger
Step 3How to assemble the left and right armrest .
Put down the Axis cover And screw On the bolt③

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Step 5. Restore the chair.Plug the cable line in the hole a on the power box as shown in the right picture.Insert the plug of cable line into the socket.(Switch on/off "O/I", press I down to turn it on.)In ON status, the USB port can be used for charging mobile. Do not move the mobile during charging. Turn on the switch behind the power box.Use the convenient controller built in the armrest or the wireless controller to select the massage function and enjoy the product which could bring you a relax and comfortable experience.Switch off, chair resets to upright state.
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Step 4. Install the back cushion, pillow and controller bag.shoulder cushion,
Connect the backrest with the seat by zipper and connect the front end with the seat by zipper.
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①②③④⑤
Power box socket
Chair resetting status
▲Back seat cushion
Head pad
Zipper position on the back cushion
Installation()5
Installation
Installation
Installation
Installation()6
Installation
Remote control pocket
Put the back seat cushion, head pad onto the backrest and connect the two parts with zipper and velcro.shoulder cushion,
Warm tips In order to get exact correct body test data for comfortable massage effect, when you sit on the chair, please make the bottom rim of the head pad flush with your ears before zippering the said two parts.
Backrest
Back seat cushion connect to upper backrest by zipper
Back seat cushion connect to the two sides of backrest by zipper
Head pad
Back seat cushion
Installation of back seat cushion should pay attention to: make the middle part of back cushion align to the middle part of backrestMake sure the switch is off before you insert the plug of cable line into the socket.Connect pillow, shoulder pad and back-rest with velcro.
Shoulder cushionShoulder cushion
Wireless controller
MENU
OK
Quickrelaxation
AUTO
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Put the velcro of the controller bag through the upper part of the inner airbag of the left armrest then stick it.
a
▲
USB can be used for charging when power on. Do not use the mobile device during charging.
Voltage: 5V Electric current: 1A
If the controller can't turn on or is in low battery,please charge it with the USB cable attached.USB cable port
USB charging port

Press down the head part to make the gravity fall on the back castors. Then push the chair to desired destination steadily and set it down slowly.
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Make sure the massage machine rollers stop in the upper of backrest, then sit on the chair slowly.
The remote control will beep once the body scan starts working. When you hear that beep sound, you can press the up/down key on the control to manually adjust the shoulder position.
If you feel the massage isn't strong enough, you can remove the pillow and .shoulder cushion
▲
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During massage chair backrest lie down process, can't move the armrest.Rolling Wheel
No more than 40 degrees
Check
Kind suggestion
The adjustment before massageCaution
Environment Check environment
Don’t use the chair in wet places like near swimming pool, bath room to avoid lea-kage or electric shock.
Don’t use under sunlight or near stoveor other heating place to avoid upho-lstery deteriorated.
Please use chair in flat place to avoidchair falling or noise or other unexpectedtrouble.
Check places in frontCheck the areas when back and leg extending,make sure no people, pets or other things around. Check power cable, plugSpace size for using the chairAt least 10cm from wall.(1) Clean the dust on plug on time. (using dry cloth).(2) No damage, re-do, bend, stretch, tie or press with heavy thing(especially can’t be pressed by the chair) on power cable.At least 50cm in front of the leg.Check surroundingsWhen the backrest or legrest reclines or extends, please pay attention to:(1) Check any person or things in every direction.(2) Check the space size.The adjustment before massage
How to move massage chair Adjustment before massage
CautionDon’t move chair when it’s working in case of accidents or damage
Massage operation
How to move
Bind the cables and put them in the seat to avoid damage when moving.If you plump the chair, it may damage the inner parts of the chair.Don’t use the castor if the floor is wooden or other easy damaged material. It will need 2 or more persons to lift the chair.
Make sure the power is off and the plug doesn't touch the floor(It’s better to let the chair in standing status to avoid the back crashing the floor)
Normally
Please hold the footrest to move the chair as shown in the picture in case any scratches on the leatheretteRight position: Your back cling to the chair back, thehead clings to the pillow.Avoid a wrong detection of your shoulder position which will influence the massage comfort. Because the chair is heavy, it may ruinyour floor in long time setting. Please put a blanket or other soft things toprotect your floor.
Massage operation
Before adjustmentTo avoid injure caused by wrong position of the massage head.When doing Acupunture Point Detecting, if the massage head can not find the shoulder position, it will default to the middle part.

手控器使用方法
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Manual control
1. In standby mode, press on/off key, the massage chair enters "power on" status, choose program through menu or massage keys, in "power on" mode, press "on/off" key, the massage chair is turned off and massage rollers go to original place, the legrest moves down and the backrest is raised up till maximum.4. Keep pressing this key, the legrest will go up; release the key, the legrest stop moving , this function is not available in "stretch" mode.5. Keep pressing this key, the backrest will go up and the legrest will go down,release the key, the backrest and the legrest will stop moving, this function is not available in "stretch" mode. 7. Keep pressing this key, the backrest will recline and the legrest will go up, release the key, the backrest and the legrest will stop moving, this function is not available in "stretch" mode. 3 ①quick demo, light comes on, default working time is 8mins. ②Regimen of TCM, light comes on, default working time is 20mins. ③Stretch, light comes on, default working time is 20mins. ④Rhythm massage, light comes on, default working time is 20mins. . In "power on" mode, press this key to change and choose auto program, 6. Keep pressing this key, the legrest will go down; release the key, the legrest will stop moving, this function is not available in " stretch" mode.
2. Press this key to stop all massage functions, every key has no repsonse, if need to massage again, you have to press "on/off" key to turn on the remote control.
Emergency offLegrest up/backrest downLegrest upLegrest downZero-GBackrest up/legrest downQuick demoRegimen of TCMRhythm massageStretchAuto
Manual control
On/Off
Manual control
Massage operationMassage operation
HealthDemoStretchRhythm
8. In ON status, press this key once to reach zero-gravity level one state; press this key again to reach zero-gravity level two state; press the key for a third time to reach sleeping mode. Press it for a fourth time, massage chair resets to upright position. It works like this in circles.

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1After power on, keep pressing the on/off key at least 4s, the chair will turn on. Meantime, the Bluetooth mark on the control will be lit, you can select auto or manual program by menu or keys, then the body scan and massage would begin. Press the on/off key 4s to turn off the power, the massage chair will stop massage and off, the back massage machine reset at the back part, the leg-rest moves down to bottom, the back moves up to top, remote control powers off after 3s to 5s.. power
2Press this key to enter the Quick Relaxation mode, with the status showing on the screen. The default working time is 8mins..
5 massage programs, Recover, Relief, Stretch, Renew, Music sync and Calming. A status display can be seen at the top of the screen.. When power on, press this key to select an automatic program. There are six auto
3. When power on, press this button to stop all the functions. All the buttons become invalid at this moment; Press on/off key to re-activate the remote control to continue the massage.
6. The direction key has four buttons, up and down, left and right. In menu mode, they are navigation keys which can be used to quickly select the upper or lower menu item. In manual mode, the up and down key can be used to adjust the position of massage machine during the shoulder height detecting and fixed point massage.
7. In ON status and under Menu mode, press it to confirm menu choice and enter next menu. When at the main interface, press this button to turn on the anion function, press it again to turn off anion function.
MENU
Quickrelaxation
AUTO
OK
Manual controlManual controlManual control
Massage operationMassage operation
Emergency Off
MENU
OK
Quickrelaxation
AUTO
Quick relaxationZero
Speed：Width：Intensity：4D：
20 min
Set function by pressing Menu key.
On/Off MenuConfirm button Left Legrest down Legrest upAuto UpRightDownLegrest up& backrest downZero-Gravity Backrestlegrest down up& 4. Press this button in Main interface to switch to menu interface, user can set different function for massage chair. Press it in Menu interface to return to main interface.12. In ON status, press this key once to reach zero-gravity level one state; press this key again to reach zero-gravity level two state; press the key for a third time to reach sleeping mode. Press it for a fourth time, massage chair resets to upright position. It works like this in circles.8. Keep pressing this button, legrest goes up, release it, legrest stop moving. Controller screen will show position adjusting… when adjusting the position of massage chair.9. Keep pressing this button, backrest goes up, legrest goes down, release it, backrest and legrest stop moving. Controller screen will show position adjusting… when adjusting the position of massage chair.10. Keep pressing this button, legrest goes down, release it, legrest stop moving. Controller screen will show position adjusting… when adjusting the position of massage chair.11. Keep pressing this button,backrest go down,legrest go up,release this button, backrest and legrest stop moving.When adjusting sitting position, it shows seat position adjusting… in controller screen.
Wireless controller connects Bluetooth for the first time1.Turn on massage chair switch,controller clings to the power box upper right position after booting, hold Menu + OK button at same time for over 4 seconds,screen will show Bluetooth pairing.2.The Bluetooth sign will be lightened if Bluetooth connection is successful,the pairing is done.3.After pairing successfully,please turn off and turn on controller again,you can use wireless controller to operate massage chair.4.Turn on controller next time,it will connect paired massage chair automatically.
Controller resetUSB cable portNote:Usually,the chair is set up well for you when making delivery,if you find it doesn't connect after controller booting,please follow the above steps,if the controller can't turn on or is in low battery,please charge it with the USB cable attached.Controller reset:If the controller system halt,please find a sharp object to press the button in the reset hole,controller will reset.

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RecoverReliefStretchMusic syncRenewCalmingSpecialZero
Massage speedMassage width(narrow, mid, wide)(Level 1, 2, 3, 4, 5) Status DisplayAir Intensity (Level 1, 2, 3, 4, 5) Status Display4D (Level 1, 2, 3, 4)
ModePositionWidthSpeed4D KneadingTappingKnockingKnead&TapShiatsu
Heating: Press Menu, choose Heating by navigation key, press “OK ”button to choose the heating function such as Back on, Foot on, TEMP+ or ”TEMP-”.
Auto Mode：Press Menu, select auto mode among “ Recover”, ”Relief”, ”Stretch”, ”Music sync”, “Renew”, ”Calming” and “Special” by pressing OK. And Special mode includes six programs: Refresh, Energy, Revive, Active, Relax, Healing.
Airbag Massage: After pressing Menu button, choose Airbag through navigation key, press “OK”button. there are two kinds of air pressure related function: position and intensity; choose the corresponding function,then press ”OK” to enter next menu and choose massage position between full body ,upper body, waist and seat, legs and feet. Massage strength has 5 levels.
Foot Roller: Press “Menu”button, select Roller by the navigation key. Press “OK” button to choose “Quick” “Soft or “Stop”. ”When power on, the first time you use the auto program, massage chair will start the body scan and “body scanning ...'' will be shown on screen. After the body scan is finished, the buzzer will tick 5 times(once every Settings: After pressing “Menu”key, select settings through the navigation key and choose the language and LED Lights ON/OFF.
4D+4D-
简体中文English한국어
Manual Mode: Press Menu, select manual massage by navigation key, there are five options: Mode, Position, Width, Speed, 4D; choose the corresponding function, then press “OK” button to enter next menu. Massage method includes Kneading, Tapping, Knocking, Knead&Tap, and Shiatsu. Massage Position includes Whole, Partial and Point.
Set function by pressing Menu key.
Speed：Width：Intensity：4D：
20 min
ZeroAnion function displayArmrest LED light status
Leg rubbing function display
Zero
Massage operation
Manual control
LCD display graphic description
Massage operation
Manual control
LCD display graphic description
Main interfacePress“on/off”button when power is on,a buzzer beeps once short and brittle. LCD screen display boot screen,after 2-3 seconds it displays the main interface and enter standby mode.Main interface show massage position,method,time, current massage status etc., all information will be updated timely when the chair start working.
KneadingKnockingZero gravityMassagetime leftTappingShiatsu
Massage function
Massage positionHeating
Press the "menu" button in the main interface,it will switch to the menu interface, user can set all massage function. Press the "menu" button in the menu interface will exit and return to the main menu interface.
Menu interface
Auto Manual Airbag RollerHeatingTimingsStopSetting
MenuSelect by the navigation keysRefreshEnergyReviveActiveRelaxHealing
Auto Manual Airbag RollerHeatingTimingsStopSetting
MenuSelect by the navigation keys
Auto Manual Airbag RollerHeatingTimingsStopSetting
MenuSelect by the navigation keys
Level 1Level 3Level 4Level 5Level 2
Partial
NarrowMiddleWide
Foint
Whole
PositionIntensity
Full BodyUpper Waist & SeatLegs & FeetBody
Level 1Level 3Level 4Level 5Level 2
Auto Manual Airbag RollerHeatingTimingsStopSetting
MenuSelect by the navigation keysQuickSoftStop
Auto Manual Airbag RollerHeatingTimingsStopSetting
MenuSelect by the navigation keysBack ONFoot ONTEMP+TEMP-
Auto Manual Airbag RollerHeatingTimingsStopSetting
MenuSelect by the navigation keys10 min20 min30 minTimer: press "menu" key, through the navigation key to select menu item timing ,can choose massage time:10 minutes,20 minutes, 30 minutes,the default time is 20 minutes,the chair will turn off automatically after time is up.
Auto Manual Airbag RollerHeatingTimingsStopSetting
MenuSelect by the navigation keys
LanguageLED Lights
NOFFO
Stop: pressmenu”key,select stop through the navigation key, it will stop massage, and get back to main interface.“
20 min
Set function by pressing Menu key.
Auto-Renew
Speed：Width：Intensity：4D：
Temperature Level of Massage Machine Heat
second). At this point, the massage rollers are in the shoulder position, you can press Up and Down to adjust. When adjusting, “shoulder height adjusting...” will be displayed on the screen. The default working time is 20 minutes. The massage chair will turn off and reset to its upright position once the massage is over.

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① Operate according to controller operation instructions. As for the massage method's details, please refer to remote control's Usage page.
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a
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② When the massage ends, massage machine will return to the default position, meanwhile "Shutting down" will be displayed on the controller.
④ Press "ON/OFF" button on the remote which will beep once. It will then enter the display interface .
Press this button, Backrest goes down and leg-rest raises up. This puts the chair in the comfortable Zero-Gravity position. Press the button again to put the chair in the Sleeping angle. Press this key for a third time to restore the chair into its default position. Backrest raises up and leg-rest goes down.
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128°110°30°
① Put one end plug of power line to “a” hole.② Put power plug to socket.③ Turn on the power switch on the power box, massage chair powers on.
Tips: Zero-gravity is according to the NASA Space capsule relax theory,through the back ,seat,legrest three sections multi angle changeable,making the legrest up and seat down can make the angle 128 (+/-7 )degrees between Body and legrest..let the heart and knee at the same level, reducing the blood circulation pressure to the lowest,but all the body pressure will put on the buttocks,And because of the ZERO GRAVITY position design,increase the forced area from the body and massage chair,so all the forces can be dispersed to the massage chair,reducing heart and spine pressure ,realizing the best Zero gravity massage experience.creating a completely relax,matural and comfortable massage posture.
Operation instruction and function illustration
Massage operation
ON/OFF
Step1. Power on
Power switch
Step2. MassageStep3. Turn off the power①②③ When the chair is On, press On/Off button to turn off the massage chair and it will restore automatically.Turn off the power switch on the bottom of the back of chair after the rollers reach storage position.Unplug the power plug from the socket.
1. Before using, pull up the pillow, back cushion etc. to check if the PU material is broken, if there is damage, please stop using, unplug the chair, and ask for repairment.2.Only plug to proper socket.
Warning Attention
1.Before sitting down, make sure there is no things pinched between armrest, legrest , backrest and seat of the chair.2. the chair is in reset state before using.4.Do not stand on it when using the massage chair.Foot-rest is equipped with safety protection device, if there is any obstacle between the leg and foot, foot-rest will stop retraction automatically.3.Make sure
Massage operation
Operation instruction and function illustration
Function Illustration
Legrest UpPress this button on controller, legrest goes up.Release the button,legrest stops moving,the angle is locked in this position.Legrest DownPress this button on controller, legrest goes down.Release the button,legrest stops moving, the angle is locked in this position.
Press this button on controller,backrest goes down and legrest goes up.Release this button,backrest and legrest stops moving,the angle is locked in this position.
Legrest up and backrest down
Backrest up and Legrest down
Press this button on controller, backrest goes up and legrest goes down. Release this button,backrest and legrest stops moving,the angle is locked in this position.
1. Please make sure there is no people, no pets or any stuff around the backrest to avoid unexpected hurt or property loss.2. When adjusting the backrest, be careful of the gap between the backrest and armrest.3. When the legrest is moving, please do not stand on or leave from the seat, do not stop the legrest from moving in case of causing damage to the chair.4. Please refer to control instruction for more details.
Zero gravity
Convenient remote control
Legrest can extend and retract within 22cm automatically.
Legrest extend and retract
Wireless controller
MENU
OK
Quickrelaxation
AUTO
New Curve rail, Combination of back and buttocks massage.Massage chair adopts 4D curved rail technology, combining with 4D massage mechanism patent, realizing multi-angle integrated massage for back and buttocks. It has broken through traditional L shape rail's function which can't realize lying flat and stretching, and achieve best massage effect.

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After chair returns to the upright position, store the controller in the pocket on the left armrest.
When getting out of the chair, hold the armrests with two hands and stand up slowly, move feet out of the leg-rest and then stand steadily on the ground. Restore the back pad and pillow to its original position.
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Multi-layer exposed airbags are located on both shoulders to assist with stretch function. The 4D massage rollers push forward your body, while the airbags grip your shoulders to provide the ultimate full body stretch.
Massage chair use space capsule type armrest, with built-in pulse air pressure massage function. Put the arms between armrest's air bags. After filling air, achieve kneading massage on the arms and hands. The arms could get comfortable massage in any angle of the chair.
There are multiple speakers surrounding the headrest. The blue-tooth wireless music player can integrates music into the massage techniques with synchronic therapy, which allow the rollers to massage you to the beats of your music. Relaxing to your own tunes will improve your blood and ease fatigue.
Ionizer Function
The innovative leg rubbing technology provides kneading and rubbing massage on the leg muscles, which can effectively relieve the leg aches and restore the leg rejuvenation.Leg rubbing function
The chair uses ionizer air purification technology which can capture the harmful substances in the air and purify the partial air quality. It can also improve sleep, boost metabolism, enhance body resistance and do sterilization, etc.
Innovatively developed two-way rotary foot kneading technique, realizing the sole function of kneading foot, combining with foot heating, it can perform best foot massage experience, good for health. Warm foot therapy Music therapy
Operation instruction and function illustration
Function Illustration
Massage operationMassage operation
Arm massageAfter massage
Or
Make sure there is no people or pet or anything within the range of backrest and legrest.
Make backrest and legrest restore to the normal position by controller.(or press ON/Off key to make backrest and legrest restore to the normal position)Switch off the power.Unplug the electricity from the socket. (Attention: hold the right plug position)Clean the chair if necessary.
Attention!
After using, press ON/OFF to end all the massage method and wait for restoration.Make sure to cut the electricity to avoid any unexpected hurt to children or pets.After using, turn off the power, unplug the electricity. Avoid moisture, dirt and aging of insulation in case of causing damage.
Restoration of massage chair
Shoulder massage
MENU
OK
Quickrelaxation
AUTO
Voice Operation
Using speech recognition, you need to first say the command entry: turn on speech recognition mode, then it can identify the rest of the order entry. You can hear the corresponding speaker voice feedback after massage chair recognize the command entry successfully. The corresponding relationship is as follows:Attention:1.Turn on speech recognition mode, if you say “Voice Off” and “Massage chair shutdown ”, the massage chair will shut down by default ; if you want to restart, say “Turn on speech recognition mode” again.2.After voice command is recognized, the speaker makes speech feedback after 1 second, now to say the next command entry, the result will be better.3.After turning on speech recognition mode, the default massage chair identifying time is 3 minutes. After 3 minutes, it will exit identification mode. If you want to restart, say “Turn on speech recognition mode” again.4.Please use standard language, speak gently.Massage chair is powering offRecognition entryTurn on speech recognition mode Chinese Massage Pain relief Body stretch Experience RelaxationZero Gravity Start Voice OffMassage chair shutdown Feedback voiceSpeech recognition has been openedChinese Massage has been opened for youPain relief has been opened for you
Body stretch has been opened For you
Experience has been opened for youRelaxation has been opened for youZero Gravity StartVoice recognition mode is off

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Clean the controller
Clean and Maintenance
Synthetic leather
Cloth material
Plastic parts
Clean with tidy, soft and dry cloth slightly.
Dip soft cloth into 3-5% neutral detergent solution, squeeze it then clean the stain on the surface gently.Wash cloth, squeeze it and wipe with detergent.
General cleaning
Clean it softly with dry cloth.Allow to dry (air blower is prohibited)
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About cleaning
Before cleaning, unplug the electricity, don't touch plug with wet hands.Make sure hands are dry when plugging to the socket.If failed to follow the mentioned instruction,user may get electric shock or burned.
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Dip cloth into weak neutraldetergent, squeeze it and clean the material surface.(Diluent, gas, alcohol are prohibited)Brush the dirty parts with weak neutral detergent. (avoid excessivebrushing)Excessive cleaning may cause damage to cloth material.Wipe with water-dipped but squeezed cloth.Allow to dry.
Dip cloth into neutral detergent, squeeze it and clean.Wipe with water-dipped but squeezed cloth.Allow to dry.Wipe with soft cloth after squeezing.Allow to dry.
Propellant, diluent or alcohol are prohibited.
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MaintenanceOthers
Malfunction guide
FAQ and Troubleshooting
Note: If the troubles are not caused by above reasons, please turn off the power switch and cut off the power, then contact the manufacturer or service agent to repair your chair.
TroublePossible reasonTroubleshooting
The massage chair can't work after power is on.
Massage function suddenly stops while working.
Check if the control is on or not.Setting time is up.Open control switchNot choose massage functionChoose massage functionNormal sound, no need to pay attention to it.
Normal, no need to pay attention to it.
Turn off the power to have the massager rest for over half an hour before next turn working.
Connect the electricity power again
Check whether the plug and socketin poor contact.It is sound of air pump, motor and mechanical parts.Inner parts fretted away due to long time work. It’s normalSound suddenly becomes much louder while working.Remove the obstacles; turn off the power to have the massager rest for over half an hour before next turn working.
Check if there are any obstacles; the chair overloads; for the sake of safety, sometimes the massage machine may automatically stop working.
Neither the backrest nor the legrest can be lay down.
Please ask manufacturer or appointed or authorized maintenance man for checking and replacement.
Excessive operation; setting time is up.
The chair can't return to its original position.Massage rollers work on shifts.
Different height of the left roller and right roller.
Make sure plug and socket are connected.
There is beep sound inside the massager while working.
Check if it is due to long time working.
Please ask appointed or authorized maintenance man for checking and repairing.
Electric wire or plug give out heat
Turn off the power to have the massager rest for over half an hour before next round working.
Wire or plug has damaged.
Please ask manufacturer or appointed or authorized maintenance man for checking and replacement.
The fuse burned out.
Replace fuse of same specification.
Something wrong with inner circuit
Please ask appointed or authorized maintenance man for checking and repairing.
Suddenly power-downTurn off the power to have the massager rest for over half an hour before next turn working.
Stop using，and ask appointed maintenance man for help.
It may work overloadOther abnormal caseIf leather is dirty
(Chemical or medical cleaning products are forbidden)
Remote control
MENU
OK
Quickrelaxation
AUTO

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RK8900SⅠ280W
Massage ChairTechnical data
Technical data
Others
NameModelInput voltageSafety design
□AC120V，60Hz□AC220V，50/60Hz□AC240V，50Hz
ClassNW/GW
Packing size
Power
Main body :100/121 kgArmrest :14.8/19 kgLegrest &footrest : 31.5/35.5 kg
Main body:1520×795×955 mmArmrest : 980×395×715 mmLegrest &footrest :585 × 570 × 615 mm （L×W×H)