rotai RT8900 User manual

ROTAI ULTIMATE (Dual-Core) RT8900
(UNITED KINGDOM SPECIFICATION)*
User Manual
*All materials tested and certificated by Eurofins (UKAS Registered Testing House) to
British Standards Fire Regulations BS5852
Part 1:1979; BS5852 Part 2:1982, EN1021-1:2014, EN1021-2:2014

2
Thank you for purchasing what we believe to be the best massage chair currently in world wide
production.
Please read this user manual carefully before using the RT8900 to ensure proper installation and
operation.
Please keep this USER MANUAL for future reference.
CONTENTS
SAFETY PRECAUTIONS 3
NAME AND FUNCTION OF EACH COMPONENT 5
External Structure 5
Internal Structure 5
Quick Control Buttons 6
Instructions of Quick Control Buttons 7
Touch screen Controller Instructions 7
FEATURES 8
PRELIMINARY CHECKS 9
Installation Methods 9
Installation Site 12
Floor Protection 12
Moving Methods 14
Connect to Power 14
Commissioning 15
Inspections Before Sitting 15
Leg Extends/Retracts 16
After Operation 16
CARE AND MAINTENANCE 17
TROUBLE SHOOTING 18
PRODUCT SPECIFICATIONS 18

3
• Precautions listed below will help to ensure proper use of this appliance.
• This chair must be plugged into a power point with RCD (residual current device) protection
for the electrical warranty on this appliance to be valid. If your fuse box is not RCD protected
then the plug must be used in combination with a BS approved RCD plug.
• The hazards that maybe caused by incorrect use are classified into “WARNING” and
“CAUTION”. Please ensure that you read all instructions before using the massage chair.
SAFETY PRECAUTIONS
• Do not operate the control buttons with wet hands.
• Do not spill liquids onto the control buttons to avoid electrical injury.
Control Buttons Precautions
CAUTION
Improper operation may cause severe personal injury or substantial property damage.
WARNING
Improper operation may cause personal injury or product damage.
CAUTION
Prohibited Not to be Disassembled
• IMPORTANT: The maximum clothed bodyweight limit for this chair is 120kg (19 stone).
Any weight heavier than this is likely to cause damage to the chair’s mechanism,
which will not fall under Warranty.
• Those who have electronic medical instruments embedded in their body, such as a
pacemaker.
• Those undergoing medical treatment or not feeling well.
• Those with malignant tumours or malignant abscesses. (Use with caution)
• Women who are pregnant.
• Those with osteoporosis or a fractured spine.
• Those with either skin disease or damaged skin.
• Those with high fever.
• Close supervision is necessary when this chair is used by, on, or near children, or
disabled persons.
• The chair can have a heated surface. Persons sensitive to heat must be careful when
using the chair.
• This chair should only be used by persons age of 16yrs or above. Persons with reduced
physical, sensory or mental capabilities must be supervised by an adult at all times
when using this chair to prevent accidents / injury.
• Children should not play with this chair.
• Cleaning and user maintenance must not be carried out by persons under the age
16yrs.
List of Unsuitable Users
WARNING
Please note the following guidelines & take medical advice accordingly before using
the chair.

4
• Always unplug this chair from the electrical outlet immediately after using and before
cleaning.
• The chair should never be left unattended when plugged in. Unplug from outlet
when not in use. Unplug from outlet during thunder or lightning storms, and before
changing any parts.
• Never operate this chair if it has a damaged cord or plug; if it is not working properly;
if it has been dropped or damaged or dropped into water. Return the chair to the
service centre for examination and repair.
• Check that the power voltage stated on the rating label corresponds to the UK
electricity supply.
• Do not use wet hands to unplug the cord to avoid an electric shock. Do not pull the
power cord to unplug the chair.
• Do not bend or twist the cord.
• Keep the cord away from heated surfaces.
• To disconnect, ensure the red power button on the back of the unit is in the “o
position” and remove the plug from the outlet.
• The chair is only to be used with the power supply unit provided with the appliance.
• The chair must only be used with a 230v/50hz power supply.
• If the supply cord is damaged, it must be replaced by the manufacturer or its service
agent or a qualified person in order to avoid an electrical hazard.
Cautions Regarding the Adapters and Cord
CAUTION

5
NAME AND FUNCTION OF EACH COMPONENT
External Structure
Internal Structure
Shoulder Massage Air Bags
Upper Mechanism Massage Unit
Backrest Heat
Waist Massage Air Bags
Wireless Charger
Arm Massage Air Bags
Inner Massage Airbags
Lower Mechanism Massage
Unit
Calf Massage Airbags
Power Switch Foot Massage Airbags
Sole Massage Rollers
Slide Rail
USB Charging Port
Audio Speaker
Head Pillow
Microphone
Touch screen Controller
Back Cushion
Seat Cushion
Leg rest
Massage Unit
Casters
Power Box
Armrest
Armrest Quick
Access Buttons
Back Cover
Headpiece

6
NAME AND FUNCTION OF EACH COMPONENT
Quick Control Buttons
Zero Gravity Position
Back & Leg Rest
Power/Auto Massage
Extend Footrest
Raise Footrest
Retract Footrest
Pause
Rotary Dial
Raise Backrest
Lower Backrest
Lower Footrest

7
NAME AND INSTRUCTIONS FOR QUICK CONTROL BUTTONS
Touch Screen Controller Instructions
The “Touch Screen Controller Instructions” can be found on the Touch screen Controller display.
Long press to turn the chair on/o. Quick press rotary switch to toggle auto massage
programs.
Power/Auto Massage
Rotate clockwise/counter-clockwise to increase/decrease 3-D massage intensity.
Rotary Switch
Press to position the chair in Zero Gravity Position. Press again to restore to the default
position. A third press will restore to default position.
Zero Gravity Position
Press and hold to extend the Footrest. Release the button to stop. (Ensure there are no
obstructions in the way of the footrest).
Footrest Extension
Press and hold to retract the Footrest. Release the button to stop.
Footrest Retraction
Press to pause the massage chair function. Press this button again to continue.
Pause
Press and hold to raise the Footrest. Release the button to stop.
Raise Footrest
Incline: Press and hold to incline the backrest to upright position and release the button
to stop.
Raise Backrest
Press and hold to lower the Footrest. Release the button to stop.
Lower Footrest
Recline: Press and hold to recline the backrest. Release the button to stop. NOTE: -
When the backrest reclines to its third quarter position, it will stop and wait for the
lower mechanism to reach a safe clearance before it continues to recline.
Rotary Switch
Press to turn on Back and Leg Heat function. Press again to turn this function o.
Back & Leg Heat
ZeroG

8
FEATURES
The chair will slide forward by 28cm and then recline.
The glider recliner linkage mechanism is for space saving purposes and to provide the ultimate
positioning for relaxation.
1. One Press Control Sliding Forward
In this position, where the height of the legs are slightly higher than the upper body, the weight of
the body can be evenly distributed throughout reducing the pressure on the spine and joints.
2. Zero Gravity Position
The upper footrest can extend by 7cm and the lower footrest can extend by 15cm automatically for
users of dierent heights.
3. Auto/Manual Footrest Extension
Whole Body Air Compression Massage for shoulders, arms, back, waist, hips, legs and feet.
4. Whole Body Air Compression Massage
Three rollers provide all-direction pressure massage for the reflexology zones.
5. Roller Massage
These techniques mimic human hand kneading, knocking, synchronised tapping and shiatsu
massage techniques with extra calf rubbing massage for bespoke relaxation.
6. Versatile Massage Techniques

9
INSTALLATION METHOD
We very much recommend visiting this excellent video giving full details of unpacking & installation
• Hold the armrest unit up and hook Hanger 2 onto the carrier groove. Slowly push the armrest
unit back into the chair linkage until Hanger 2 aligns completely with Hanger 4. Insert Hanger
1 into Hanger 3 using a screw to secure the armrest into place. (Use the same procedure for
the other side)
• Before beginning installation, please verify that all components are included (check against
the Packing List carefully).
Step 1: Take all massage chair components and accessories out of the packaging
• Connect the numbered air hoses to the matching numbered nozzles on both the armrests and
plug in the air valve connector.
Step 2: Install Armrest Unit
Air Nozzle
Air Valve Plug
Air Hose
Air Valve Port
Armrest Unit
Linkage
Screw Hole
Hanger 3
Hanger 4 Armrest Unit
Hanger 2
Hanger 1

10
INSTALLATION METHOD
Insert the lower end of the Touch Screen Controller Holder into the socket and turn the nut
clockwise to secure the holder into place.
Step 3: Install Touch Screen Controller Holder
Raise the Leg rest unit & thread the Air Hose into the air nozzle, then fit the Air Valve Plug into the
Air Valve Port which is located at the face side of the seat base making sure they are well secured.
Step 4: Install the Footrest Unit
Nut
Air Hose
Air Nozzle
Air Valve Port
Air Valve Plug

11
INSTALLATION METHOD
Put the Leg rest Hanger sleeve into the Leg rest Hanger. Attach the Leg rest Hanger onto the Leg
rest Rotation Shaft. Then attach a DK Circlip to the end of the Leg rest Rotation Shaft to hold the leg
rest in place, Zip the footrest and main chair together.
• Connect the power cable to the massage chair power socket (located at the power box on the
chair).
• Switch ON the power switch located at the back of the power box. Raise the backrest of the
chair to the fully upright position.
Step 5: Other Accessories
Power Cord
Power Cord Port
Power Switch
Leg Rest
Leg Rest Hanger Leg Rest Rotation
DK Circlip

12
INSTALLATION METHOD
• Ensure that there is at least a 10cm clearance from the wall to enable the recline of the
backrest; a 60cm clearance space is needed for the extension of the footrest so that the
mechanism can slide forward.
• Ensure that there is a 1m clearance from any TV, radio and/or other audio/video appliances to
avoid electrical signal interference.
We recommend placing a piece of carpet or a soft mat underneath the chair to avoid damaging
any sensitive floor materials. (Please note that the chair works perfectly without any such soft
matting)
Clearance space for the massage chair:
Installation Site
Floor Protection
10cm
60cm
Carpet
Floor
Massage Chair

13
WARNINGS
WARNING
DANGER
Do not use the massage chair in any high humidity environments, such as, but not limtied to
indoor swimming pools or bathrooms. This will prevent the possibility of an electric shock
or other electric malfunctions in the chair.
Please keep the massage chair away from heated surfaces to prevent fire hazards or
damage to the product.
This chair must be fully earthed (grounded). The plug must be plugged into an appropriate
3-wire grounded outlet that is properly installed and in accordance with British Standards
Regulations to reduce/avoid electrical danger.

14
ADVICE ON MOVING THE CHAIR
• Always ensure the backrest is in the upright position.
• Always roll the chair on its casters when moving to the desired location.
• Always turn o the power switch and unplug the appliance from the electrical outlet before
moving.
• We suggest the chair be moved by two persons by pushing down on the backrest and lifting
up on the front side by grabbing the moving holder located at the front bottom of the armrest.
Roll the chair on its casters to the desired location (see sketch below or view an excellent video
demonstrating how to move the RT8900).
• Do not move the chair whilst in use.
• Never lift the chair by the footrest.
• The chair needs a minimum of 4 persons to carry it when fully assembled
CAUTION
• Connect this appliance to a 3-wire properly grounded outlet.
• Turn on the main power switch by the right-hand side of the
massage chair.
Connect to Power
• Ensure that there is no damage to the supply cord before
switching on the massage chair.
• Ensure that the main power switch on the chair is turned “o”
before connecting the chair to the power outlet.
CAUTION

15
GETTING STARTED
• Use the quick access button to recline the backrest to its lowest position. Raise and extend the
footrest to its top position, making sure there is enough clearance before commissioning.
• Return the backrest and footrest to its default position after use and not to forget to turn
o the power switch. (To quickly choose a massage program, please use the Quick Access
Buttons on the armrest of the chair).
• Ensure the footrest is properly assembled.
• If there is any part of the chair that is not in the default raised position, then turn
o the chair to allow it to restore.
Before Sitting In The Chair
• Do not attempt to sit on the chair whilst the footrest is raised,
• Do not put any excessive load on the footrest to avoid damage.
CAUTION

16
LEG EXTENSION/RETRACTION
• Always unplug the massage chair from the electrical outlet immediately after use.
• Secure the centre console onto the holder.
• Turn o the power switch and unplug the massage chair from the electrical outlet
while not in use to avoid children switching it back on accidentally.
• When not in use for a long period of time, we recommend that the chair be covered,
the power cord be coiled and that the unit be placed in an environment free of dust
and moisture.
Press and hold “ ” or “ ” button to extend or retract the footrest to the length you
A footrest sensor is set at the bottom of the footrest. The footrest will adjust the length
After Using the Chair
Footrest Extended
Footrest Retracted
• Do not play on the massage chair or operate it improperly.
• Ensure there is no obstruction when raising or reclining the backrest and footrest.
• Do not place feet, fingers, or any other objects in the space between the seat and the
backrest/footrest when it is either reclining or raising.
• Ensure the massage chair has fully stopped in the original default/upright position
before getting o.
WARNING

17
CARE AND MAINTENANCE INSTRUCTIONS
• To treat stains on back panel, armrest, footrest, plastic parts or air hose, spot clean
with a mild detergent foam then wipe it with a dry clean cloth.
• To treat stains on the controller or power box, spot clean with a dry clean cloth.
• To treat stains on back cushion or pillows, use a water-based upholstery cleaner only.
Wipe it with a moist cloth and leave to dry.
• To clean the foot/calf unit covers, remove it from the chair and hand wash with a mild
detergent, then line dry.
During daily use, please check for the following symptoms:
• Burning smells.
• The power switches ON/OFF while you are touching the power cord.
• The power cord overheating.
• Other abnormal symptoms.
Electrical Safety Advice
• Keep the product free from dust. Cover the product with a dust-free cloth to prevent
collection of dust if not in use for a long period of time.
Storage Methods
• To avoid electrical shock or injury, do not handle the power cord with wet hands. Do not
try to dismantle or repair the product yourself, Please contact your authorised service
centre.
• Please note that if any repairs are carried out by anyone other then an authorised
dealer or service centre, all warranties will be void
WARNING
• Pull out the power cord from the power box before care and maintenance. To avoid
electrical shock or injury, do not touch the power cord with wet hands. Make sure no
detergent enters into the power box whilst cleaning.
• Do not use benzene thinner or other solvents on your product. It may cause fading or
damage the product.
• Do not iron the upholstery.
CAUTION
• Do not leave this product exposed to direct sunlight for long periods of time. This may
cause fading or damage.
CAUTION
• Please stop using the product to avoid breakdowns or accidents if any electrical
symptoms are noticed.
• Switch o the power button and disconnect the plug and contact your local dealer or
supplier for repair.
• All other servicing, care and maintenance, other than the above advice, should only
be serviced by an authorised dealer or service centre.
CAUTION

18
Trouble Shooting
Product Specification
No Symptoms Possible Causes Possible Solutions
1Tapping or humming
sound is heard
This sound is normal and
comes from the air pump
motor or other mechanical
parts rubbing against the
cloth cover
No need to take any
measures
2Massage Chair does not
start
The power cord is not
secured into the socket
Insert the power plug
properly into the power
socket
Power switch is o Turn on the switch
The fuse is blown Replace only with a fuse
of same type and rating
3No music comes from the
speaker
The volume is set to the
lowest or muted
Adjust the speaker
volume from the mobile
devices
Bluetooth is o Switch on Bluetooth
Bluetooth didn’t connect
with music device Bluetooth
connected with other device
Reconnect Bluetooth
4Backrest or footrest
cannot raise or recline
Excessive load has been
pressed on the backrest or
leg-rest
Reduce the load and try
again
If problems persist, please contact your dealer for further troubleshooting.
Important: Do not attempt to repair this product yourself. The dealer/importer shall not be liable
for any injury or damage caused by any servicing carried out without their authorisation. Please
note that any unauthorised repairs will void any warranty.
Name: Rotai Ultimate (Dual-Core) Massage Chair (UK Specification)
Model: RT8900
Rated Voltage: 220-240V~
Rated Frequency: 50/60Hz
Rated Power: 180W
Safety Design: Class 1