WHILL Model C User Manual
EN
WHILL Model C
User Manual
Introduction
Thank you for your purchase of the WHILL Model C!
This device is intended to provide indoor mobility to persons limited to a seated position that are capable of operating a
powered wheelchair.
This User Manual is intended for users of this device and instructs how to safely operate device. It also explains the basic
adjustments, inspections, troubleshooting, and the basic maintenance procedures to be performed by the user.
This manual can also be used by distributors, agents, sales staff, and others in order to gain a detailed understanding of
the main functions.
WHILL is dedicated to ensuring the safety, comfort, and convenience of the users. Please read this manual carefully
before use, and be sure to use the device correctly and safely. Store this manual in a location where it can be referred to
whenever needed.
• This manual contains information that is protected by patent rights and copyrights. It may not be reproduced in part or
in whole without explicit written permission from WHILL.
• The contents of this manual may be changed in the future without notice.
• Use of this device in ways not consistent with the contents of this manual may result in damage to the device.
Please contact WHILL Customer Support if you notice any inaccuracies or omissions in this manual!
¢Trademarks
• Apple, iPhone, and iPad are registered trademarks of Apple Inc. in the United States and other countries. App Store is a
service mark of Apple Inc.
• The iOS trademark is used based on a license from the U.S. company Cisco Systems, Inc.
• Other company names and device names are the trademarks or registered trademarks of their respective companies.
• Company trademarks and registered trademarks in this text are not indicated by the ™ or ® symbols.
320-07184 Rev 1
Model C User Manual
1
Manual Overview
警 告
注 意
The symbols used throughout this manual are described below. Be sure to observe the instructions indicated by each
symbol.
Symbol Description
WARNING
CAUTION
Indicates critical instructions to prevent an imminently hazardous situation that may
result in death or serious injury.
Indicates instructions to prevent a potentially hazardous situation that may result in minor
injury or property damage or both.
Indicates a prohibited act.
Indicates that disassembly of the device may result in electric shock or other injury.
Indicates a required act.
Indicates a risk of electric shock.
Indicates a risk of rupture.
Indicates precautions or reference information that must be read in order to prevent
device malfunctions or failures, and to ensure comfortable device use.
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Model C User Manual
User Manual WHILL Model C
Contents
Introduction .........................................................................1
Manual Overview .................................................................2
1. Safety Precautions ..........................................................7
1.1. Precautions for Use ...........................................................22
1.2. EMI (Electromagnetic Interference) ...................................22
1.2.1. General Q&A ............................................................................ 23
1.3. Location of Warning Labels ...............................................24
1.3.1. Label types .............................................................................. 24
1.3.2. Locations of labels ................................................................... 27
1.4. Location of Serial Number .................................................30
2. About This Device .........................................................31
2.1. Checking the Contents ......................................................31
2.2. Names and Functions of Parts ..........................................31
2.3. Accessories .......................................................................36
3. Charging the Battery .....................................................37
3.1. Battery Components .........................................................39
3.2. Charging Procedure ..........................................................40
3.2.1. Charging with the battery installed in the base ....................... 42
3.2.2. Charging with the battery removed ......................................... 43
3.2.3. Power indicator indications ..................................................... 46
3.3. Checking the Charge Level of the Removed Battery ........46
3.3.1. Charge level indicator error indication ..................................... 47
3.4. Battery Inspection and Replacement ................................48
4. Operating Procedures ...................................................49
4.1. Inspection Before Getting into the Device ........................50
4.2. Getting into the Device ......................................................52
4.2.1. Accessing the seat from the front ............................................ 53
4.2.2. Accessing the seat from the side ........................................... 54
4.3. Fastening the Lap Belt .....................................................55
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User Manual WHILL Model C
4.4. Turning On the Power .......................................................56
4.4.1. Checking the battery charge level ........................................... 57
4.4.2. Adjusting the maximum speed ................................................ 58
4.4.3. Using the sound button ........................................................... 58
4.5. Driving ...............................................................................59
4.5.1. Moving forward and backward ................................................ 62
4.5.2. Moving in a diagonal direction ................................................. 62
4.5.3. Turning ..................................................................................... 63
4.5.4. Stopping .................................................................................. 63
4.5.5. Controlling the speed .............................................................. 64
4.5.6. Driving under different road conditions ................................... 65
4.6. Releasing the Brakes .........................................................66
4.6.1. Release procedure ................................................................... 66
4.7. Storage Basket ..................................................................67
4.8. Locking the Device ............................................................69
4.8.1. Locking .................................................................................... 69
4.8.2. Unlocking ................................................................................. 70
4.9. Using the USB Port ...........................................................71
5. Assembly, Adjustment, and Disassembly ....................73
5.1. Component List .................................................................73
5.2. Assembly Procedures .......................................................75
5.2.1. Assembling the Front drive base and Rear drive base ............ 76
5.2.2. Installing the storage basket .................................................... 77
5.2.3. Installing the seat assembly..................................................... 78
5.2.4. Installing the battery ................................................................ 81
5.3. Adjustment Procedures .....................................................82
5.3.1. Adjusting the arm length .......................................................... 83
5.3.2. Switching the left and right sides of the directional controller
assembly and control pad .................................................................. 84
5.3.3. Adjusting the seat height ......................................................... 89
5.3.4. Adjusting the back support height........................................... 92
5.3.5. Adjusting the back support angle ............................................ 93
5.4. Disassembly Procedures ...................................................94
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User Manual WHILL Model C
5.4.1. Removing the battery .............................................................. 95
5.4.2. Removing the seat assembly ................................................... 96
5.4.3. Removing the storage basket .................................................. 98
5.4.4. Removing the front drive base ................................................. 99
6. Transport and Storage Methods .................................101
6.1. Storage ............................................................................101
6.2. Transport .........................................................................102
6.2.1. How to hold each component ............................................... 103
7. Downloading the Smartphone App ............................105
8. Maintenance and Inspection ......................................107
8.1. User Maintenance ...........................................................107
8.2. Replacing the Smart Key Battery ....................................108
8.3. Reinstalling the Controller Knob ......................................109
8.4. Inspection ........................................................................110
8.5. Repairs, Maintenance, and Parts Replacement Performed
by the Manufacturer or Distributor ......................... 110
8.6. Disposal ...........................................................................111
9. Troubleshooting ...........................................................113
10. Specifications and Test Results ................................115
10.1. Specifications ..................................................................115
10.2. Dimensions ......................................................................117
Index ................................................................................118
EU Declaration of Conformity .........................................120
Contact Information ........................................................122
5
1. Safety Precautions
Complete attention to safety has been given in the design of the device. However, there is a risk of injury or damage as a
result of incorrect use of the device or as a result of a failure to observe precautions.
Before using this device, carefully read the following safety-related information and be sure to use the device correctly.
The descriptions related to safety use the terms “WARNING” and “CAUTION” to indicate the degree of injury or damage
and the level of imminence.
WARNING
If you sense anything abnormal during use, immediately discontinue use and contact your
distributor or WHILL Customer Support.
Continuing to use the device when there is a malfunction may have adverse effects on health.
Persons who have an implanted pacemaker, implanted defibrillator, or other electrical
medical device on their bodies must stay a minimum of 8 inches (20 cm) away from the
magnetic connectors.
The magnetic connectors are located at the connection between the seat assembly and rear drive
base, and the connection between the battery and rear drive base. The charge of the magnetic
connectors may have an adverse effect on electrical medical devices.
1. Safety Precautions
Persons who have an implanted pacemaker, implanted defibrillator, or other electrical
medical device on their bodies must stay a minimum of 6 inches (15 cm) away from the
control pad.
There is a risk of an adverse effect on electrical medical devices.
Turn off the device power when not operating.
There is a risk of accidental contact with the controller knob causing unexpected movement of the
device.
When using the device for the first time, be sure to check the device for damage before
using it.
If the device is damaged, there is a risk of an unexpected accident.
When using the device for the first time, it is reccomeded that you have someone with you
the first time you use the device.
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1. Safety Precautions
Be sure to check the following before getting into the device.
There is a risk of unexpected accident.
• Check that the brakes are not released.
• Check that the anti-tip bar is lowered.
Check that the release levers are locked before getting into the device.
If the release levers are not locked, there is a risk of the device coming apart during use. If it is not
possible to lock the release levers, immediately discontinue use and contact your distributor.
Turn off the device power when getting into and out of the device.
There is a risk of unexpected movement of the device caused by accidental contact with the
controller knob.
Lock the brakes before getting into the device.
If the brakes are released, there is a risk that the device may start moving and tip over.
If your body is not stable in the seat assembly, be sure to use the lap belt .
There is a risk of falling out of the device. If the device you are using does not have a lap belt,
contact your distributor.
WARNING
When operating the device while wearing gloves, be careful that the gloves do not become
caught.
There is a risk that the gloves may become caught in control components, resulting in incorrect
control.
Pay attention to the following while driving.
There is a risk of unexpected accident.
• Fully check the surroundings and road conditions before driving.
• Do not drive the device onto escalators or stairs.
• Do not attempt to ascend or descend steps that are more than 2 inches (50 mm) high.
• When driving at night or in places with poor visibility, check that the rear tail light is visible to
other persons before using the device.
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Model C User Manual
WARNING
Be sure to drive carefully at low speed in cases when particular caution is necessary, such
as in crowds of people, close to walls, or other locations where there are obstacles nearby,
and in narrow places.
There is a risk of collision and tipping over.
When approaching curbs, steps, slopes, and similar obstacles, approach at a 90° angle and
drive over them carefully at low speed.
There is a risk of tipping over or causing deformation to the drive base.
Drive carefully at low speed when driving on uneven surfaces or on slopes.
There is a risk of tipping over.
Be sure that the wheels do not come in contact with your body or those around you.
There is a risk of injury.
When stopping on a downhill slope, release the controller knob early and make sure that
you stop with a sufficient margin of extra space.
The brake stopping distance is longer when on a downhill slope. There is a risk that you may be
unable to stop in the intended position, causing an unexpected accident.
1. Safety Precautions
Be sure to turn off the power before releasing the brakes.
There is a risk that the device may start moving, causing an unexpected accident.
Release the brakes only in emergencies. Do not leave the brakes released for an extended
period of time.
When the brakes are released, the device will move freely. This is extremely dangerous.
After moving the device manually with the brakes released, be sure to raise the brake
release levers and lock the brakes.
There is a risk of unexpected accident.
Be sure to use the storage basket when carrying any items. Be sure that the stored items do
not protrude from the sides of the storage basket.
There is a risk of tipping over.
Be sure to carefully confirm the device movement each time after adjusting the speed profile
setting.
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1. Safety Precautions
Be sure to disassemble the device before lifting it up.
The weight of the device is approximately 115 lbs (52 kg). If it is lifted up without disassembly, there
is a risk of injury to the user, and/or damage to the device.
Be careful of the weight when lifting up each component.
There is a risk of injury to the user, and/or to the device.
When moving the arm up or down in order to adjust the arm length or for other reason, be
careful that your fingers do not become caught.
There is a risk of injury.
When moving the foot rest up and down, be careful that your fingers do not become caught
at the hinge.
There is a risk of injury.
When moving the back support up or down in order to adjust the back support height or for
other reason, be careful that your fingers do not become caught in the bottom of the back
support or the connection.
There is a risk of injury.
WARNING
When assembling or disassembling the front drive base and rear drive base, be sure to
grasp the handle A.
There is a risk of injury caused if ngers are caught in the disassembly mechanism.
Perform assembly and disassembly at a flat and level location.
There is a risk of unexpected accident.
Be sure to replace the anti-tip bar if it become deformed.
There is a risk that it may lose its tip-over prevention function and the device may tip over.
Be sure to always restore all parts after adjustment or disassembly so that the device and
its wiring are fully protected.
Be sure to remove the battery before performing adjustment or disassembly.
There is a risk of unexpected device movement. In addition, if the device is disassembled without
the battery removed, there is a risk that the device may be reset due to metal contact with exposed
connectors. If the device is reset, disconnect the battery and then reconnect it.
Before use, check that all components are properly assembled and that there are no missing
or broken components.
If there is a missing or broken component, accident or malfunction may occur during use.
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Model C User Manual
WARNING
The maximum load weight for this device is 253 lbs (115 kg). Do not subject it to a load
higher than this limit.
There is a risk of damaging the device.
Never release the brakes when on a slope. Be sure to release the brakes only when on a flat
surface.
There is a risk that the device may start moving, causing an unexpected accident.
Do not apply stickers or paint onto the rear tail light, switches, display, or labels.
There is a risk that these components may not be visible, resulting in incorrect operation and
unexpected accident.
Do not touch the battery connectors, allow them to become wet , or bring any metal or other
foreign objects close to them.
There is a risk of injury and of damage to the device or its components.
Do not remove the motor controller connectors and caps.
There is a risk that a short circuit may occur by intrusion of foreign objects, or the device may
become inoperable due to incorrect reassembly.
1. Safety Precautions
Motor controller connectors
Battery compartment
Do not lift up the device when there is a person on the device.
There is a risk of damage to the device, causing an unexpected accident.
Do not directly touch the grease that comes from the wheels.
There is a risk of harmful effect on the skin.
Next to rear drive base seat post
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1. Safety Precautions
While riding the device, do not crouch down or lean your body outside the device. Be
careful of moving the center of mass while driving.
There is a risk of affecting the device stability and balance. If you are unsure about the device stability,
request help from people around you in order to stabilize the device body.
Do not lean on the back support from behind the device.
There is a risk that the back support may tilt forward, causing the seated user to lose balance and
fall over.
Do not use the device if any of the components are damaged.
There is a risk of injury caused by sharp corners or edges. For replacement of components, consult
with your distributor or the manufacturer.
Avoid operating the device when wearing clothing or other items that can easily be caught
in the rotating parts of the arm, wheels, or other moving parts.
There is a risk that clothing may be caught in these parts, preventing you from controlling the
device.
Do not sit on the controller knob, place the removed seat assembly upside down, or apply
an excessive load to the controller knob.
There is a risk that the controller knob may be damaged, rendering the device inoperable.
WARNING
Do not press the buttons with strong force or using a sharp object.
There is a risk that the control pad may be damaged, rendering the device inoperable.
Do not apply the weight of your body to the control pad, controller knob, or accessory bar.
There is a risk that these components may become disconnected, rendering the device inoperable.
Do not jump onto the footrest, step onto the footrest while carrying a heavy object, or
otherwise place an excessive load on the footrest.
There is a risk of the device being lifted up and tipping.
Do not take your feet off the footrest while driving.
There is a risk that your feet may become caught in moving components. Keep your feet on the
footrest while driving.
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Model C User Manual
WARNING
Do not drive with the footrest raised.
There is a risk that your feet may become caught in moving components.
Do not drive while holding something in your hand or with something placed on your lap.
There is a risk of incorrect operation and tipping over.
Do not drive on a soft surface, such as sand or mud.
There is a risk of the device getting stuck.
Do not drive through puddles or other water.
There is a risk of corrosion and short circuit..
Do not extend arms, legs, or baggage outside of the device.
There is a risk of injury caused by collision while driving.
Do not tow cargo.
There is a risk of tipping over.
Do not perform any disassembly, adjustment, or repairs that are not explained in this
manual.
If the customer performs such acts him/herself, there is a safety serious risk. Consult with your
distributor when adjusting the seat length or arm position. Only a trained service technician can
provide maintenance on the device.
1. Safety Precautions
Do not disassemble, adjust, or repair the device, or lift the device up when there is a person
on the device.
There is a risk of damage to the device, causing an unexpected accident.
Do not use the device as a seat in an automobile or other vehicle.
There is a risk of damage to the device, causing an unexpected accident.
Do not use the device as a seat during weight training.
Doing so may cause the device to become unstable and tip over, resulting in damage and/or injury.
The device is not intended to be used as a seat during weight training
Do not modify the device or its accessory parts.
If repair or modication which is not listed in this manual is performed, the warranty may be
invalidated.
.
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1. Safety Precautions
When using the device, it is recommended that you carry a mobile phone or other
communications device with you as a means of communication.
Without such a device, there is a risk that you may be unable to call for help in the event of an
accident.
If a part is lost, immediately discontinue use and contact your distributor.
There is a risk of damage to the device that renders it inoperable.
Be sure to install the cap when the battery charging port or USB port is not in use.
There is a risk of short circuit caused by intruding foreign objects.
When connecting the USB cable, check that there are no foreign substances in the
connector.
Charging is not possible when there is a foreign substance caught in the connector.
Be sure to install the protective cap when the USB port is not in use.
If corrosion of the USB terminal occurs due to the intrusion of water or other substance, charging
will not be possible.
When using your own cushion, for safety, be sure to use a cushion that has passed a fire-
resistance test.
The seat cushion, the back support cushion and the lap belt manufactured by WHILL on the standard
device have been tested to meet the resistance to ignition requirements in ISO 8191-2:1988.
CAUTION
If the power does not turn on, check the magnetic connectors.
The magnetic connectors are located at the connection between the seat assembly and rear drive
base, and the connection between the battery and rear drive base.
Changing the seat cushions on the device without having your positioning evaluated by a
seating technician may result in injury due to improper positioning.
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Model C User Manual
CAUTION
Pay attention to the following while driving.
There is a risk of unexpected accident.
• Check that the arm is locked before beginning operation.
• Reduce speed when driving on a slope.
Pay attention to the following while adjusting.
There is a risk of damage to the the device or its components.
• Do not shake the removed control assemblies.
• Do not press forcefully on the components.
When driving on uneven surfaces, drive carefully at low speeds.
There is a risk of accidentally causing unexpected operation.
On roads, drive on the sidewalk.
This device is not designed for use on automobile roadways, snow-covered roads, or frozen roads.
When crossing roads, check that the drivers can see you and exercise sufcient caution while
crossing.
When moving the device after releasing the brakes, push it by hand and move it slowly.
When the brakes are released, the device will move freely. Pushing it forcefully may cause it to
move in an unexpected direction.
1. Safety Precautions
Pay attention to the following when using the storage basket.
There is a risk of unexpected accident.
• Turn the power off before putting any objects into or taking it out of the basket.
• When removing any objects, check that the hook has been disconnected from the accessory bar.
Connect and disconnect the hook by hand.
When assembling, adjusting, disassembling, or transporting the device, hold only the handle
parts that are explained in this manual, and do not hold the device by any other areas.
There is a risk of injury caused when the hand gets caught in the device.
When assembling, check that the magnetic connectors are not dirty.
The magnetic connectors may not function when they are dirty, and the device may not turn on.
The magnetic connectors are located at the connection between the seat assembly and rear drive
base, and the connection between the battery and rear drive base.
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1. Safety Precautions
Pay attention to the following and perform adjustment in order to ensure safe use.
There is a risk of unexpected accident.
• Be sure to adjust the seating of the device to t the user's body before use.
• When adjusting, be sure to retighten the bolts.
• Be sure to get off the device before performing adjustment.
• Before performing adjustment, be sure to remove the battery from the device.
Before driving, check that the storage basket hooks are hung on the accessory bars.
There is a risk of stored objects falling out during driving.
Store the device in a flat location.
There is a risk of damage to the device.
When boarding an airplane, notify the airline company in advance that you will be using a
device, receive an explanation of the boarding procedure, and follow the instructions of the
airline company.
Failure to notify the airline in advance may result in additional time required for the boarding
procedure.
CAUTION
Fasten securely when placing in an automobile trunk or similar location.
There is a risk of damage to the device.
When using a forklift to transport this device, be sure to fasten the device securely.
There is a risk of the device falling, causing damage to the device.
If a component gets worn or requires replacement, contact your distributor.
There is a risk of damage to the device that renders it inoperable.
When disposing of the device and its parts, be sure to follow the local disposal guidelines.
If there is anything that is unclear, consult your distributor or WHILL Customer Support.
Device battery should be charged in a well-ventilated space that is free of flammable gases
and that is at least twice the size of the device.
There is a risk of explosion or other accidents if the space is lled with ammable gas or if
ventilation is insufcient.
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Model C User Manual
CAUTION
Do not place the battery or the device in a location that is inclined, in a location where there
is much vibration, on a high shelf, or in a similar place.
There is a risk of damage to or deformation of the battery or device.
Do not touch the motor controller connectors. Do not use excessive force or speed when
removing or installing the battery.
There is a risk of damage to the battery, motor, and other components of the device.
Motor controller connectors
1. Safety Precautions
Battery compartment Next to rear drive base seat post
Do not place a load on the directional controller assembly or scratch it with a sharp object.
There is a risk that the directional controller assembly may become damaged, rendering the device
inoperable.
Do not throw, step on, or otherwise subject the removed control pad or directional controller
assembly to strong impact, and do not immerse these parts in water.
There is a risk that the switch or directional controller assembly may be damaged, rendering the
device inoperable.
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1. Safety Precautions
Donotpressforcefully,scratchortouchthedisplaywithdirtyhands.
There is a risk that the display may become damaged or illegible.
Do not apply stickers to the speaker or otherwise block the speaker.
There is a risk that you may be unable to hear the guidance messages and sounds.
Do not apply force to the device from the sides.
There is a risk that the device may tip over. Do not forcefully push or pull the device from the side.
Do not place any items on the arm or arm rest.
There is a risk that the arm rest may become deformed or damaged.
Do not place any heavy objects on the back support.
The back support maximum load is 11 lbs (5 kg). If a heavier load is applied to it, the backsupport
may become damaged.
When adjusting the seat height, do not pull forcefully on the seat post.
There is a cable inside the seat post. Pulling forcefully on the seat post may break the cable inside
it.
CAUTION
Do not press a sharp object against or apply a load to the cables located on the bottom side
of the seat.
There is a risk of breaking the cables.
Do not store the device for a long periods of time in a location where there is much dust or
sand, near the ocean, or in a hot spring area.
There is a risk of foreign substances entering the device and corroding the frame and screws.
Do not store the device with a heavy object placed on it for a long period of time.
There is a risk of device malfunction.
Do not store the device or the storage basket outdoors in a location exposed to direct
sunlight or rain.
There is a risk that rain may cause a short circuit, and that direct sunlight may cause deformation
or deterioration of the device or storage basket. The device and any accessories must be stored in
a sheltered location.
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Model C User Manual
CAUTION
Do not use paint thinner, benzene, or other organic solvents for cleaning, and do not use a
high-pressure washer.
Doing so may result in discoloration, deformation, deterioration, and damage.
Do not insert a sharp object into the speaker holes.
Doing so may damage the control pad.
Do not disassemble the control assemblies.
Doing so may cause malfunction of the control assemblies.
Do not remove the labels.
The labels contain important information.
Do not apply commercially available grease or similar substance to the moving parts or
connections of the device.
There is a risk that the stickiness of such substances may cause sand or other foreign substance to
enter the device, causing device malfunction.
Do not press a sharp object against or apply a load to the cables located on the bottom side
of the seat assembly.
There is a risk of breaking the cables.
1. Safety Precautions
Cables
Do not drive the device at speeds of 5 mph or higher, including when the brakes are
released.
There is a risk of device malfunction.
Do not leave the device for a long time with the battery removed.
There is a risk of battery deterioration. If it is unavoidably necessary to leave the device with
the battery removed for a long time, be sure to close the battery charging port cap.
Do not pull strongly on the USB port cap.
There is a risk of damage to the cap.
Do not attempt to maneuver the device onto an incline if the anti-tip bar touches the ground
or the incline during the process. The anti-tip bar touching the ground shows that the incline
is too steep for the device.
Maneuvering the device when the anti-tip bar is in contact with the ground or an incline is
extremely dangerous and will cause the device to lose control.
Do not leave the device plugged in to the charger for more than a week.
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1. Safety Precautions
¢Precautions regarding the battery and charger
Carefully read the explanations in this manual regarding the battery and charger and follow
the instructions..
If used incorrectly, there is a risk of injury or damage to the battery or charger.
Device battery should not be charged while your body is in contact with the battery or
charger. Use only the charger and AC connector cord that were provided with the device.
There is a risk of low temperature burns.
Never attempt to disassemble the battery or charger.
There is a risk of explosion.
Never touch the device connectors.
There is a risk of serious injury or electric shock. Doing so will also invalidate the device warranty.
Do not use an extension cord with the charger.
There is a risk of electric shock, short circuit, and re.
WARNING
Do not pull with excessive force on the AC connector cord.
There is a risk of electric shock, short circuit, and/or re.
Charge the device using a household power supply.
There is a risk of electric shock, short circuit, and re. Charge using a 100 - 240 V, 50 - 60 Hz
wall-mounted outlet.
Be sure to remove the battery before performing adjustment.
There is a risk of electric shock and unexpected device operation.
Do not charge with wet hands.
There is a risk of electric shock.
Do not allow flame close to the battery or charger, allow these components to become wet,
subject them to impact (dropping, poking with a nail, stepping on, etc.), or engage in similar
acts.
There is a risk of re or battery explosion.
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Model C User Manual
CAUTION
Do not use the charger provided with the device to charge any other battery.
There is a risk of damage to the charger.
Charge at an ambient temperature between 0 and 40 °C (32 and 104 °F).
Charging at a temperature outside this range may cause deterioration of or damage to the battery.
Routinely to charge the device each time after using it.
Fully charged battery can prevent an insufcient charge level from occurring..
If the device is not used for a long period, be sure to fully charge it at least once every 3
months.
If it is left uncharged, there is a risk that the battery may get excessively depleted.
Do not charge the battery while the brakes are released.
There is a risk that the device may move, causing an unexpected accident.
Do not store the device with the battery removed for a long period time.
There is a risk of battery deterioration. If it is absolutely necessary to store the device without the
battery, be sure to close the battery charging port cap.
1. Safety Precautions
Use only the charger and AC connector cord that were provided with the device.
Using a charger or AC connector cord other than the one supplied may result in electric shock, or in
burns caused by charger overheating.
In addition, do not use the charger and AC connector cord that were provided with the device with
any device other than this device.
Model C User Manual
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1. Safety Precautions
1.1. Precautions for Use
The WHILL Model C is a mobility vehicle. Be sure to correctly understand the contents of this manual before using the
device. Persons who nd it difcult to use a device should refrain from use of the device. Pay attention to the following
precautions when using and handling the device.
The device is designed for use on ordinary paved roads or indoors use.
If this device is operated by a caregiver, that person must carefully read this manual and fully understand the
precautions for use before using it.
1.2. EMI (Electromagnetic Interference)
There is a risk of unintended movement of this device as a result of radio waves. Radio waves are a form of
electromagnetic (EM) energy and may adversely affect the operation of electronic devices. This phenomenon is known
as electromagnetic interference (EMI) or radio frequency interference (RFI). Radio waves may interfere with the control
functions of this device.
To reduce the chance of unintended brake release or wheelchair movement, which could result in serious injury
• Do not operate hand-held transceivers (transmitters receivers), such as citizens band (CB) radios, or turn on
personal communication devices, such as cellular phones, while the powered wheelchair is turned on;
• Be aware of nearby transmitters, such as radio or TV stations, and try to avoid coming close to them;
• Be aware that adding accessories or components, or modifying the powered wheelchair, may make it more
susceptible to EMI.
If the device moves or stops when the device controller is not operated, or if the device operates in a way different than
intended, take the following actions.
• Turn off the device as soon as it is safe.
• Note down the controller operation that was being performed at that time.
• Note down the device operation that could not be activated using the controller.
• Note down the mobile phones and other electronic devices that may be sources of radio waves and were near the
device.
Based on these notes, consider the possible cause of radio frequency interference and remove it. If the problem is still
not resolved, consult with your distributor or WHILL Customer Support. At this time, keep your earlier notes at hand.
If radio frequency interference is suspected, turn off the power and disconnect the battery.
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Model C User Manual
1.2.1. General Q&A
The following are general questions and answers regarding steps to avoid the effects of EMI (electromagnetic interference)
and RFI (radio frequency interference) with this device as much as possible. Please use them as reference.
Where do radio waves come from?
Radio waves are emitted by unidirectional or bidirectional radio devices. Such devices include transceivers,
mobile phones, wireless computer links, microwave generators, and radio call transmitters. Radio waves are
a form of electromagnetic (EM) energy, and the strength of the energy increases at closer distances to the
transmitting antenna. This electromagnetic eld can cause problems for users of electric equipment.
What kind of movements should I expect if a mobility device is affected by EMI or RFI?
EMI and RFI undergo extremely large dynamic changes and may affect a device depending on conditions
such as the following.
• Radio wave frequency and strength
• Structure of the power supply equipment
• Inclination of the device (whether the ground is at or a slanted)
• Whether or not the device is turned on and whether or not it is moving
1. Safety Precautions
If this device is affected, there is a possibility of abnormal movement. It may begin moving or stop suddenly
uncontrollably. If the source of EMI or RFI is strong, there is even a possibility of damage to the control
system.
Model C User Manual
23
1. Safety Precautions
1.3. Location of Warning Labels
Warning labels are used on the device to indicate possible hazards. Labels also indicate the lock and unlock positions of
levers and keys, position adjustment methods, and other reference information for operation.
The following is an explanation of the label types and the locations where they are applied.
Do not remove the labels.
The labels contain important information.
1.3.1. Label types
¢Warning labels
The following is an explanation of the warning labels used on this device.
Symbol Label Meaning
CAUTION
A
B
C
Magnetic connectors are located at the device connection between
the seat assembly and rear drive base, and the connection between
the battery and rear drive base. The magnetic eld of the magnetic
connectors may have an adverse effect on electrical medical devices.
Persons who have an implanted pacemaker, implanted debrillator, or
other electrical medical device on their bodies must stay a minimum
of 8 inches (20 cm) away from the magnetic connectors.
The surface may be hot. Do not touch.
If the removed seat assembly is placed upside-down, there is a
risk that the controller knob may be damaged, rendering the device
inoperable.
When placing the seat assembly on the oor, place it with the cushion
facing up and be careful not to apply an excessive load to the
controller knob.
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Model C User Manual
Symbol Label Meaning
1. Safety Precautions
D
E
F
Inserting a nger or other body part into the connecting components
and moving parts of this device may result in an injury.
When assembling, adjusting, disassembling, and transporting this
device, do not touch any component other than those indicated in the
manual.
Indicates the base release lever lock position and unlock position.
Check that the base release lever is locked before driving.
Indicates precautions
• Be sure to read the User Manual before use.
• Check that the brakes are locked before use.
• Do not leave this device with the brakes released.
• Do not use the device as a seat in an automobile or other vehicle
G
H
■Do not use the battery with any
devices other than the WHILL Model C.
■Read the instruction manual before use.
■Only use the charger and AC connector
cord that were provided with the device.
■Do not use/store near fire, flammable
gas or in high ambient temperature.
■If you notice abnormal odor,
discoloration, deformation or
anything, immediately discontinue
use and contact your dealer.
CAUTION
WARNING
■Do not use/store in environments
with substantial amount of dust, sand,
metal filings or other fine particles.
■If device will not be used for an
extended period of time, charge the
battery at least once every 3 months.
■Do not disassemble, place in fire or
incinerate, submerge in liquid, crush,
puncture, short external contacts,
or dispose of in an unsafe manner.
■The battery produces a strong
magnetic field. Persons with an
implanted pacemaker, defibrillator
or any other similar device must
not come in close contact with the
battery.
The maximum storage basket load is 13.2 lbs (6 kg).
If a heavier load is placed in it, the storage basket or accessory bars
may be damaged.
Do not place any item in the storage basket which weighs more than
the maximum load.
CAUTION
• Do not use the battery with any devices other than the WHILL
Model C.
• Only use the charger and AC connector cord that were provided
with the device.
• Read the user manual before use.
• Do not use/store the battery near re, ammable gas or in high
ambient temperature.
• Do not disassemble, place in re or incinerate, submerge in
liquid, crush, puncture, short external contacts, or dispose of in
an unsafe manner.
• Do not use/store in environments with substantial amount of
E
dust, sand, metal lings or other ne particles.
• If device will not be used for an extended period of time, charge
the battery at least once every 3 months.
WARNING
• The battery produces a strong magnetic eld. Persons with an
implanted pacemaker, debrillator or any other similar device
must not come in close contact with the battery.
• If you notice abnormal odor, discoloration, deformation or
anything, immediately discontinue use and contact your dealer.
Model C User Manual
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1. Safety Precautions
¢Other labels
The following is an explanation of other labels used on this device.
Symbol Label Meaning
I
J
K
L
M
Indicates the lock position and unlock position of the brake release
lever.
Indicates the arm length adjustment position. The arm length can be
adjusted in 4 stages.
Indicates the procedure for disconnecting the connectors from the
directional controller assembly and control pad.
Indicates the lock position and unlock position of the battery removal
key.
Indicates the device disassembly procedure.
3
5
4
Q
N
O
P
Indicates the seat assembly insertion position when installing the seat
assembly onto the rear drive base.
Indicates the procedure for adjusting the back support angle (90°, 95
°, or 100°).
Indicates the reference point used for adjusting the back support
angle.
Indicates the adjustment positions of the back support angle.
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Model C User Manual
1.3.2. Locations of labels
The location where each label is applied is as shown in the gure below.
¢Device
1. Safety Precautions
A
H
D
B
D
I
C
Model C User Manual
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1. Safety Precautions
K
J
D
L
E
F
M
N
O
28
Seat assembly top view
Model C User Manual
D
P
Q
Parts with seat cushion removed
1. Safety Precautions
P
D
Q
¢Storage basket
G
Model C User Manual
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1. Safety Precautions
1.4. Location of Serial Number
The location of the serial number is shown in the gure below.
Connection with battery removed
Serial number
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Model C User Manual
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