WHILL C2 Ci2 Omni Wheel Power Chair - LOGO

Operating Guide
WHILL Model C2/Ci2

WHILL C2 Ci2 Omni Wheel Power Chair

This Operating Guide is intended to provide instructions on the basic usage of the device.
To operate the device safely, please ensure to carefully read this guide before use.
It is recommended to keep this guide on hand at all times for your reference.

Major precautions for use

The WHILL Model C2/Ci2 is a mobility vehicle. Persons who find it difficult to use a powered wheelchair should refrain from using the device.

  • The maximum load weight for this device is 300 lb (approx. 136 kg). It includes both the occupant and any luggage. Ensure the load weight does not exceed the maximum during use.
  • Turn off the device power when getting in and out of the device.
  • Keep your feet on the footrest while driving to avoid feet or clothing getting caught in moving components.
  • Avoid the traffic and narrow space, and follow the traffic rules to drive safely.

Dress appropriately for driving.

  • There is a risk that clothing such as long scarves, loose pants, skirts, and raincoats may be caught in tires or other parts of the device, resulting in injury.
  • When wearing gloves, be careful to avoid getting them caught in the device, such as in the control components.

Drive carefully in the following areas.

WHILL C2 Ci2 Omni Wheel Power Chair - FIG 4

When crossing railroad crossings or tram tracks, approach and cross perpendicular to the tracks.
Ensure the device does not get stuck in the groove of the tracks.

WHILL C2 Ci2 Omni Wheel Power Chair - FIG 5

Do not drive at places where the device may lean significantly.

WHILL C2 Ci2 Omni Wheel Power Chair - ICONAvoid railroad crossings and take a safer route whenever possible. If you must pass a railroad crossing, ensure you understand how to manually release the brakes (p4) and ask a caretaker to accompany you. Do not drive the device in areas with soft surfaces such as sand, mud, snow or frozen paths. There is a risk that accidents may occur.

Basic operations

How to stop
Release the joystick to stop. Releasing the joystick automatically applies the brakes and stops the device even on an uphill or downhill slope.

How to hold the joystick
Place fingers on the joystick.

WHILL C2 Ci2 Omni Wheel Power Chair - How to hold the joystick

How to move the joystick
Adjusting the speed
The device speed can be controlled by the tilting degree of movement of the joystick. In the beginning, ensure to operate the joystick gently and drive slowly.

WHILL C2 Ci2 Omni Wheel Power Chair - FIG 8

Climbing over a step
When climbing over a step, approach at a right angle to the step.

WHILL C2 Ci2 Omni Wheel Power Chair - FIG 9

Releasing the brakes

Certain situations may require control of the device without powering on and using the joystick—known as freewheel mode.  This can be accomplished using the two red brake release levers.
Turn off the device’s power.
Push down both of the two brake release levers below the seat.
Raise both brake release levers to re-engage the brakes afterward.

WHILL C2 Ci2 Omni Wheel Power Chair - Releasing the brakes

WHILL C2 Ci2 Omni Wheel Power Chair - ICONDo not release the brakes on a slope. Be sure to release the brakes only when on a flat surface and in emergencies after turning off the power. After moving the device manually with the brakes released, be sure to raise the two brake release levers to re-engage the brakes.

Using the smart key

WHILL C2 Ci2 Omni Wheel Power Chair - smart key

The smart key can be used to lock and unlock the device.

WHILL C2 Ci2 Omni Wheel Power Chair - smart key 2

Press the smart key lock button. The icon indicating the locked status will appear on the controller’s display and make a locking sound. When attempting to turn on the device when the device is locked, the icon indicating the locked status will appear on the display. The device cannot be turned on. Press the smart key unlock button. The smart key LED will illuminate, and the icon indicating unlocked status will appear on the display and make an unlocking sound. The device will be unlocked.

Sold separately. Equipped with standard items depending on the areas/countries.

Disassembly procedure

WHILL C2 Ci2 Omni Wheel Power Chair - ICONWhen assembling or disassembling the device, grab only the handles and parts as described in the instructions, and do not hold the device by any other areas.

This device can be disassembled into the following five components. ※ Remove the battery before disassembling.

WHILL C2 Ci2 Omni Wheel Power Chair - FIG 10

Removing the battery

WHILL C2 Ci2 Omni Wheel Power Chair - FIG 15Removing the seat assembly
WHILL C2 Ci2 Omni Wheel Power Chair - seat assembly

Pull up the seat release lever toward you. Lift up the seat assembly by the arm rests.

※Lift the seat assembly slowly so that it does not damage other parts.
※When placing the seat assembly on the floor, place it with the cushion facing up.

WHILL C2 Ci2 Omni Wheel Power Chair - ICONWhen lifting the seat assembly, the magnetism of the magnetic connectors located at the connection between the seat assembly and rear-drive base may have an adverse effect on electrical medical devices. Persons who have an implanted pacemaker, implanted defibrillator, or other electrical medical devices in their bodies, must leave a minimum of 8 inches (20  cm) between themselves and the magnetic connectors.

Removing the storage basket

Remove items from the storage basket, then lift the storage basket straight up by holding its handles and remove it from the front-drive base.

Disconnecting the front-drive base

WHILL C2 Ci2 Omni Wheel Power Chair - drive base

Raise the base release handle.
Grab the handle near the center of the front-drive base and disconnect Bar B  on one end of the front-drive base from the hook of the rear-drive base.

WHILL C2 Ci2 Omni Wheel Power Chair - release handle.

* When disassembling, support the rear-drive base with your hand to prevent it from falling over.

Assembly procedure

Assembling the front-drive base and rear-drive base

WHILL C2 Ci2 Omni Wheel Power Chair - FIG1 8

Grab the handle near the center of the front-drive base while tilting up the rear-drive base. Then align Bar B with the hook on the rear-drive base.

Slowly tilt the rear-drive base forward and connect it to the front-drive base. The base release handle of the rear-drive base latches onto  Bar A of the front-drive base. A click will be heard when the two parts are connected properly.

Installing the storage basket

WHILL C2 Ci2 Omni Wheel Power Chair - FIG 20

Align the hooks on the bottom of the storage basket with the frame of the front-drive base, then push the storage basket straight down.  Push the flat part at the bottom of the basket until it clicks.

WHILL C2 Ci2 Omni Wheel Power Chair - FIG 21

WHILL C2 Ci2 Omni Wheel Power Chair - ICONIf the device does not start properly even though a charged battery is inserted to the device and the device is turned on, remove the battery, then re-insert the battery after 10 seconds.

Installing the seat assembly

WHILL C2 Ci2 Omni Wheel Power Chair - nstalling the seat assembly

WHILL C2 Ci2 Omni Wheel Power Chair - Seat cushion
Remove the seat cushion, grab the armrests, and lift the seat assembly.

WHILL C2 Ci2 Omni Wheel Power Chair - FIG 1

Use the view hole to align and position the seat assembly onto the seat post.
Push down the seat release lever into the vertical position, and attach the cushion back to a seat base.

Installing the battery

WHILL C2 Ci2 Omni Wheel Power Chair - Installing the battery

WHILL C2 Ci2 Omni Wheel Power Chair - FIG 2
Ensure that the battery lock release button is not pressed. Grab the battery handle and insert the battery into the battery compartment.  If experiencing difficulty, push the battery with more force.

Charging the battery

Charging with the battery installed in the device

Move the device close to the outlet and turn off the device power. Connect the charger and AC connector cord.
Plug the charger into the power outlet. The charger indicator illuminates red.WHILL C2 Ci2 Omni Wheel Power Chair - ICON 30
Remove the battery charging port cap and connect the DC connector to the battery charging port. The charger indicator begins flashing green and charging starts.  WHILL C2 Ci2 Omni Wheel Power Chair - ICON 30
Charging is completed when the charger indicator turns solid green.
Disconnect the DC connector from the battery, then disconnect the plug from the power outlet. Close the cap of the battery charging port.

Charging with the battery removedWHILL C2 Ci2 Omni Wheel Power Chair - ICON 21

Check the device power is off and press the battery lock release button. Grasp the handle and pull to remove the battery.
Connect the charger and AC connector cord. Plug the charger into the power outlet.
Remove the cap of the battery charging port and connect the DC connector to it. The charger indicator begins flashing green and charging starts.
Charging is completed when the charger indicator and battery LED turn solid green.
Disconnect the DC connector from the battery, and then the plug from the power outlet.

WHILL C2 Ci2 Omni Wheel Power Chair - ICON

  • Do not touch the battery and charger during charging to prevent burns.
  • Ensure charging the battery indoors.
  • The battery and charger are for the WHILL Model C2 only.
  • Only use the designated battery and charger for the device.

Troubleshooting

In the event of certain issues with the device, an error code will appear on the display. If an unlisted error is displayed or the issue  persists even though a problem was handled in line with troubleshooting, contact your distributor or customer support.

Behavior of
the device
Error code Cause Resolution
The icon shown
on the right
appears.
WHILL C2 Ci2 Omni Wheel Power Chair - ICON 2 Operation of the control pad
attempted while arm is
rotated upward.
Lower the arm and turn the power on again.
WHILL C2 Ci2 Omni Wheel Power Chair - ICON 3 The joystick was not in the neutral position when the power was turned on. Power back on without
touching the joystick.
WHILL C2 Ci2 Omni Wheel Power Chair - ICON 4 The brake levers are
disengaged.
Lock the brakes and turn the power on again.
WHILL C2 Ci2 Omni Wheel Power Chair - ICON 5 The charger was connected
while the power was on, or the device was turned on while being connected to the charger.
Disconnect the charger from the battery.
WHILL C2 Ci2 Omni Wheel Power Chair - ICON 6 The battery charge level is
low.
Recharge the battery.
The maximum
speed
decreases.
WHILL C2 Ci2 Omni Wheel Power Chair - ICON 7 The battery temperature
dropped significantly.
Store the battery in room
temperature or at least in an ambient temperature of
above 0°C (32°F) until the
battery temperature rises
above 0°C (32°F).
The maximum
speed recovers.
WHILL C2 Ci2 Omni Wheel Power Chair - ICON 10 The battery temperature
rose above 0°C (32°F).
The icon shown
on the right
appears.
WHILL C2 Ci2 Omni Wheel Power Chair - ICON 11 The smart key battery level
is low.
Replace the smart key
battery.
The icon shown
on the right
appears.
WHILL C2 Ci2 Omni Wheel Power Chair - ICON 13 The device may be on a steep uphill slope. The device may be on a slope unsafe to operate. Move slowly to a place where the slope is gentle while checking your safety. Once the warning sound is made, it will not be made again for about 2 minutes.

WHILL C2 Ci2 Omni Wheel Power Chair - ICONWhen the device does not turn on, check the battery level and if it is inserted fully into the compartment. If the device does not start properly, remove the battery, then re-insert the battery after 10 seconds and turn on the device after 5 seconds.

How to pair your smartphone app

App allows users to check total mileage, distance traveled, battery level,
full charge cycles and to use the remote control function. Users can also
lock and unlock the unit.
Model C2

  1. You need to install the app beforehand. To install, go to the App Store and search for “WHILL”. Click the blue WHILL logo icon for the WHILL Model C2/Ci2 app. (The grey logo icon is for WHILL Model C.)
    WHILL C2 Ci2 Omni Wheel Power Chair - ICONTo pair your device, launch the WHILL Model C2 app and enter the following codes* on the screen.
    WHILL C2 Ci2 Omni Wheel Power Chair - ICON 2 11-digit alphanumeric code
    WHILL C2 Ci2 Omni Wheel Power Chair - ICON 3 password

*The two codes are printed on the paper slip placed in the indent of the seat of the device.
Note: Depending on your region and smartphone type, the app may not be offered, or some functions may not be available.

Manufacturer WHILL Inc.
2-1-11 Higashishinagawa, Shinagawa-ku, Tokyo 140-0002, Japan

www.whill.inc
32-10037-0 Rev 1

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C2, Ci2, Omni Wheel, Power Chair
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