Queenstone 07B User manual

Portable Power Wheelchair
Owner’s Manual

Contents
I. GUIDANCE FOR USE ……………………………………………………………………1
II. PRODUCT SAFETY SYMBOLS…………………………………………………………2
III.TECHNICAL SPECIFICATIONS ………………………………………………………3
IV. FEATURES…………………………………………………………………………………4
V. ELECTROMAGNETIC INTERFERENCE WARNING…………………………………6
VI. SAFETY ……………………………………………………………………………………7
VII. INSTALLATION GUIDE ………………………………………………………………14
VIII. OPERATION GUIDE …………………………………………………………………16
IX. BRAKING…………………………………………………………………………………19
X. BATTERY ………………………………………………………………………………20
X. UNFOLDINGAND FOLDING…………………………………………………………24
XII. TROUBLESHOOTING…………………………………………………………………29
XIII. WARRANTY……………………………………………………………………………31
XIV. PACKING LIST………………………………………………………………………33

1
I. Guidance for Use
This manual must be read and understood completely before your first use.
If you have difficulty in understanding the warnings, notes and instructions in this
owner’s manual,or require additional assistance, please contact your authorized
provider or distributor to obtain professional guidance and help. Failure to follow the
instructions on this manual can lead to your safety being at risk as result of improper
usage, and voiding the warranty.
Reference
Authorized Provider:
Address:
Phone Number:
Purchase Date:

2
Ⅱ.Product Safety Symbols
The following symbols are used to identify warnings, mandatory actions and
prohibited actions. It is essential that you fully understand and completely familiarize
yourself with these symbols before operating wheelchair for the first time.
Read and follow the instructions provided in this manual.
Safety warning sign or an indication of a dangerous operation that may endanger your
safety or the safety of others.
ClassⅠequipment (Canada) / ClassⅡ equipment (USA).
Do not use any mobile phones, walkie talkies, electronic devices or any other radio
transmitters while operating.
Finger crush / pinch point.
Store in a clean and dry condition; away from rain, snow, ice, salt and water.
Test of EMI/RFI at an immunity level of 30 V/m has been passed.
Corrosive substance contained in the battery
Danger of explosion
Do not use batteries with different amp-hour (Ah) capacities, No mix use of old and
new batteries. Always replace both batteries at the same time.
Keep tools and other metal objects away from battery terminals. If contacted, short-
circuit or electric shock may occur and cause injury.
Flammable material, avoid exposure to heat source such as open flame or sparks.
Avoid transporting the batteries along with flammable or combustible objects.
Disposal and recycle

3
Ⅲ.Technical Specifications
General
Dimensions (Unfolded): L x W x H 34.3 x 12.2 x 36.6 in / 870 x 310 x 930 mm
Dimensions (folded): L x W x H 22.4 x 12.2 x 26.4 in / 570 x 310 x 670 mm
Suggested User Weight Max: 250lbs (120kg)
Net weight 25.9kg (with 3 battery )/23.3kg(with 1 battery)
Gross weight 29.9kg(with 3 battery )/27.3kg(with 1 battery)
Full Charge Mileage 12km/battery (vary with user’s weight, terrain, ground
condition, battery condition, temperature and driving habit)
Max Speed 6km/h
Turning radius 31.5 in / 800 mm
Maximum Ground Clearance 1.2 in / 30.48 mm
Motor
Type Brushless DC Motor
Rated power 180 W
Input Voltage DC 24V
Qty 2 sets
Break System Intelligent Electromagnetic Brake
Breaking Distance At max speed: 0.5m
Battery
Type Li-ion battery
Nominal Capacity 10 Ah
Output Voltage DC 24V
Qty 2
Controller
Type Brushless dual-drive rocker controller
Input Power 180W x 2
Input Voltage/Current DC 24V/12A x 2
Front Caster
Size 7 in
Type Pneumatic Tire
Rear Wheel
Qty 2
Size 8 in
Type Solid Rubber Tire
Qty 2

4
IV. Features
①footrest ②frame ③seat cushion ④armrest ⑤backrest cushion ⑥upper backrest
⑦control panel ⑧frame connector block ⑨fender ⑩rear wheel front caster
①
②
③
④
⑩
⑨
⑧
⑤
⑦
⑥

5
IV. Features
Electromagnetic brake lever battery folding release lever

6
Ⅴ. Electromagnetic Interference Warning
The power wheelchair may be affected by electromagnetic interference (EMI), which may cause
damage or interruption to the operation of the chair. It is important for you to understand the
instructions which can help you take protective measures against the risk of interference.
The sources of electromagnetic waves come from broadcasting stations, TV stations, radio
transmitters, two-way radios (such as walkie-talkies), cellular phones and computers. Interference
from these electromagnetic waves may cause malfunction or permanent damage to the chair’s
braking and control system.
CAUTION
1. The power wheelchair has passed the 30 V/m EMI test and has a certain degree of immunity
to most common electromagnetic energy sources. However, it is important for you to follow
the safety guidelines as follows:
a. Do not turn on or operate portable transceivers, receivers, radios or any wireless
communication devices.
b. Stay away from all radio wave emission sources.
2. If interference does occur and causes unintended movement to the chair in an uncontrolled
manner, cut off the power immediately.
3. No modification of any form to the power wheelchair is allowed, including adding or
removing any parts.

7
Ⅵ.Safety
Usage Safety Guidelines
●Check all electrical and control connections to ensure they are secured safely and firmly.
●Check battery levels regularly and ensure the battery is charged immediately when needed.
●Keep tools and any metal objects away from the negative and positive poles of the battery.
●Short-circuits or electric shock may occur when the two poles are accidentally contacted.
●Familiarize yourself with wheelchair and its capabilities.
●Always seek assistance during your first use until you are confident enough to operate the
chair independently and proficiently.
●Always beware of any potential danger while using the power wheelchair.
●When the power wheelchair is not in use, turn off the power, charge the battery and store in
a clean and dry place.
Control.Panel
To ensure your safety while operating the power wheelchair, the control panel must be securely
mounted (Fig. A1). If any buttons on the control panel fail or are not responding, you must stop
using the chair immediately and contact the provider for repair or replacement.
A1

8
Ⅵ.Safety
Static Position
When the chair is inactive even for a moment; the power must be off (Fig. A2). This will:
●Prevent the control panel from being activated by accidental touch which may cause the
chair to move unintentionally.
●Prevent the chair from electromagnetic interference sources which may activate the chair’s
operation system and cause damage to the chair and bodily harm.
Do not allow anyone but you to touch the control panel. This will protect the chair from being
moved without your awareness and causing potential serious bodily harm.
A2
Weather Precautions
This power wheelchair shall not be used or stored in environments of rain, snow, icy or
slippery surfaces. These conditions may adversely affect the functions of the chair. Always
keep your chair in a clean and dry area.
Malfunction may occur if the device is in contact with rain, snow or high humidity
environments.Do not expose the chair to any extremely hot or cold conditions. The chair is not
fully waterproof; a humid environment may result in rusting or corrosion inside the chair. If you
are ever caught in any of these conditions, please proceed to shelter immediately.
To prevent malfunction, please adhere to the guidelines as follows:
●Do not operate or store the chair in an environment which has direct water contact;
extremely hot or cold temperature or high humidity.
●Do not use the chair while showering, swimming, etc.
●Do not use the chair in salt or fresh water
●Do not use the chair around any water sources (e.g. rivers, lakes, etc.)
●Do not flush the chair with water.

9
Ⅵ.Safety
Note: When the chair is wet, immediately pull out the battery and allow it to dry naturally. Put
the battery back after the chair is completely dried.
When operating on wet or frictionless ground surfaces, please carefully move at a slow speed and
follow the safety guidelines below:
●When any of the motor wheels losses traction, the chair must be stopped immediately to
avoid losing control of the chair (e.g. slipping, tipping over, etc.).
●Do not drive into slopes or ramps covered with snow, ice, water, oil, etc.
Road Surfaces
wheelchair is designed optimally for dry level surfaces; such as concrete and indoor ground
flooring.
Do not use wheelchair on sand, uneven or loose surfaces, tall grass or rough road surfaces to
prevent the wheels, bearings, axis, motor and other parts from being damaged or loosened.

10
Ⅵ.Safety
Vehicle Transport
Please be aware that it is at your own risk and is not advisable to sit in
the wheelchair when taking any forms of transportation such as cars, buses,
trains, planes or ships.
If you must take such forms of transportation while remaining in the chair, it is extremely
important that you secure your positioning waist belt and power off the chair and push the brake
lever to“Lock”position, inspect no movement to the motor wheels and have the chair securely
tied down.This will help prevent injuries during sudden stops. However, as this chair is
ultra-compact, taking any transportation is made possible as you can fold the chair conveniently
and can be stored away in tight storage areas such as a car trunk. Please ensure the chair is stored
securely in order to avoid injury.
If you need to be transferred on or off a vehicle manually without getting off the chair, never allow
anyone to lift the chair by the armrest or rear backrest. The chair must be lifted by firmly gripping
the front and rear edges of the seat cushion frame.
Weight Distribution
To avoid tipping over while driving, the balance and stability of the power wheelchair must not be
neglected. The following factors may affect the weight distribution of the chair:
●Height and angle of the chair.
●Seating position, or weight loading position of the user’s body.
●The gradient of the ramp or slope.
●Load carried in storage basket or by the user may have adverse effects to the weight
distribution of the chair.
Do not modify or adjust wheelchair’s configuration or construction yourself.

11
Ⅵ.Safety
Getting On/Off
Whenever moving your body, it is recommended to have a supporting point that is higher than the
seat cushion. To avoid and reduce the chance of falling, please be aware of the followings:
●Before getting on and off the chair, ensure that you lift up the armrest and lower the leg guard.
●Before getting on the chair, ensure that the power is off and the brake is in “Lock”position.
Inspect that there is no movement to the motor wheels.
●Before getting out of the chair, ensure that the power is off and the brake is in “Lock”
position. Inspect that there is no movement to the motor wheels. Move the chair as close as
possible to the target position to minimize the risk of falling during transfer.
●Consult your health care professionals about the safest way to move your body in and out of
the chair.
●Fold up the footrest at all times while getting on and off the chair
o Do not stand on the footrest to move your body while getting on/off the chair.
o Make sure your feet are not tangled or jammed in the gap between the footrest while
getting on/off the chair.
Leaning or Reaching while Seated
Reaching out your hands or leaning your body in the chair may adversely affect the chair’s
balance.If you do not position yourself correctly, you may fall off or tip over the chair.
●When moving your body such as lifting your body at one side or leaving the seat, do not
lean your body out of the range of the seat cushion.
●When moving forward on your seat, do not lean your body excessively. Your hip must be
always in contact with the seat cushion.
●Do not reach your hands farther than your capability as this may result in falling due to lost
balance.
●Under no circumstance should you try to pick up anything through the space between your
knees or in front of your body.
●When you extend your body, do not exert force on the footrest to avoid the chair from
tipping over, this may result in serious injury.
●Do not rest forcefully against the top of the backrest to avoid tipping over the chair and
causing damage to the backrest.
Failing to follow these guidelines may result in serious injury. If you
do any of these actions, it is at your own risk.
Never reach, bend, or lean in the chair. Doing so will change your center
of gravity and the weight distribution of the chair.

12
Ⅵ.Safety
Stationary Obstacles
Navigating over obstacles such as ramps, slopes, curbs, raised or uneven surfaces, pot holes and
rough roads can be hazardous. Extreme caution is needed to avoid tipping the chair over.
It is important to climb or descend an obstacle slowly, cautiously and perpendicularly. Failing to
do so may result in damage to the chair or causing bodily harm.
Do not exceed the incline guidelines and specifications in this owner’s manual.
To navigate over a stationary obstacle:
●Approach the obstacle slowly, cautiously and perpendicularly.
●With extreme caution, increase the forward speed gently when the front wheels just come in
contact with the obstacle and reduce the forward speed gently after the rear wheels cleared
the obstacle.
●Lean your upper body slowly and slightly forward, when going over an obstacle with an
ascending slope.
●With extreme caution, reduce the forward speed gently when the front wheels just come in
contact with the obstacle and increase the forward speed gently after the rear wheels cleared
the obstacle.
●Lean your upper body gently against the backrest, when going over an obstacle with a
descending slope.
●Avoid any sudden stops and starts.
●Always navigate perpendicularly towards the obstacle.
Inclined Slopes
If you feel uncomfortable driving on a slope, do seek assistance to protect you from causing
bodily harm to yourself.
●It is not advisable to drive on slopes over 10°.
●It is prohibited to drive on slopes over 12°.
●It is prohibited to drive on a wet slippery slope (e.g., snow, ice, water, oil).
●It is prohibited to drive on slope if there are pits at the bottom of the slope.
●It is prohibited to drive in areas with continuous up and down slopes
Reverse Driving
When driving in reverse, please exercise extreme caution. The motor wheels
may run into an obstructive object which may lead to your chair getting
out of control and may cause your chair to tip over.
●All obstructive objects should be cleared and approach cautiously and slowly while driving
in reverse
●Never drive in reverse on inclined slopes

13
Ⅵ.Safety
Load Limit
●Max Load of the chair: 250lbs (120kg)
●Do not exceed the safe load of the backrest
●Do not press down or lift up the backrest.
●Under no circumstances should the user do weight training while using the chair.
●Overloading the chair may cause damage to the chair’s frame, fastened parts and folding
device.
●Overloading caused damages will void the warranty of the chair.
Getting Up/Down Stairs and Escalators
The wheelchair is not designed for long journeys or getting up and down stairs, and escalators.
It is prohibited to move or use wheelchair on stairs and escalators.
Serious bodily injury may result.

14
VII. Installation Guide
Positioning Waist Belt
The positioning waist belt is for holding your hip properly against the back of the seat(Fig. B) to
prevent the user from falling off the chair. Please wear the waist belt at all times while seated.
Please be aware that the waist belt is not intended for use as an auto
style seat belt. The wheelchair is not designed for being used as a seat in any forms of
transportation. You must wear the seat belt provided in all forms of transportation.
You are at your own risk and are not recommended to use the chair as a seat when taking any
forms of transportation such as cars, buses, trains, planes or ships.
CAUTION
1. Always ensure the waist belt is appropriately installed onto the chair and adjusted
securely
so that there is no snug, but also comfortable enough so that it does not interfere with your
breathing.
2. Always check the waist belt for any loose parts or wear and tear. If any problem is found,
contact your provider for maintenance or repair.
B

15
VII. Installation Guide
Mounting the Control Panel
1. The control panel is mounted on the armrest. As shown in Fig. C1 and C2, put the metal clamp
of the control panel into the hole and fix it tightly and securely.
C1 C2
2. As shown in Fig. D, route the control panel cable from front to back of chair.
D
3. As shown in Fig. E1 and E2, plug the control plug of the control panel into the socket.
E1 E2

16
VIII. Operation Guide
Control Panels
The Control Panel comprises of the following:
Number: Function: Description:
1 Control Joystick Control the direction and speed of the chair. Push
the joystick towards the desired direction.
2 Power-Off Button Pressing this button will power off the chair.
3 Battery Life Indicator Indicate the battery level.
4 Power-On Button Pressing this button will power on the chair.
5 Horn Press horn to sound.
6 Speed Button Increase the speed of the chair
7 Speed Indicator With 5 LED lights on, the chair at its max. speed.
1 LED light on, the chair is at its lowest speed.
8 Speed Button Pressing this button will power on the chair.
①
②
③
④
⑧
⑦
⑤
⑥

17
VIII. Operation Guide
When the LED light flashes intermittently, which indicate specific diagnostic troubles referred in
the table below:
The lowest LED light flashes: Batteries are running low
The second LED light flashes: Joystick cannot deliver signals to the
control module
The third LED light flashes: Batteries are being charged.
Note: An electronic drive locking device is engaged to prevent the chair from
operating.
The fourth LED light flashes: Motor connection failed
The fifth LED light flashes: Electromagnetic braking disengaged
Control Joystick
When operating the chair for the first time, it is recommended to move the chair at a low speed
gently and gradually pushing the control joystick forward. The practice run will help you
familiarize yourself with controlling the speed and start and stop of the chair.
Do not do sharp turns at high speeds. The chair will lose its balance and tip over causing serious
bodily injury and property damage.
The control joystick on the control panel provides 360 degrees of omnibearing maneuver ability
comfortably and effortlessly. A spring is equipped inside the joystick which automatically returns
to its original position when let go.
Push the joystick towards the target direction. The joystick can control the drive proportionally,
the harder the push, the faster it goes. The max traveling speed is 6km/hr.
Release the control joystick slowly and gradually for the chair to slow down safely. Sudden
release of the control joystick may cause the chair to lose balance and tip over causing bodily
injury.

18
VIII. Operation Guide
Movement Control lever operation
Forward Push the control lever forward
Backward Pull the control lever backward
Right Push the control lever to the right
Left Push the control lever to the left
Stop Release the control lever gradually (the chair
will slow down to stop safely)
IX.Braking