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WHILL Model C2 Support Plus – fault codes, parts & serial label

Typepowerchair (C2 with NXT EXTEND thoracic seat back and headrest)
ControllerWHILL motor controller (MC) / HMI (per error list) CONFIRMED
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Fault codes (59)

From the C2 / F code set. All C2 / F codes explained

CodeMeaningChecks
01Operated with arm raised (C2/Ci2) / device folded (F/Fi)C2/Ci2: rotate the arm down and turn the device on. F/Fi: turn on with the device in the correct (not folded) position.
02The device was turned on while the controller was not in the neutral position.Turn on the device without touching the controller.
03Brake is released.Lock the brake and turn the device on.
04The power was turned on with the charger connected. / The charger was connected with the power on.Remove the charger.
05Battery remaining 20% or lessCharge the battery.
06Battery has reached 0%Charge the battery
08You may be on a very steep slope (please judge this as a reference).You may be on a slope where you cannot run safely. Carefully move to a gentler slope which is 10° or less. Once notification is made, no re-notification is made for 2 minutes.
09The pair of the HMI and MC is not correct. ・An C2/Ci2 HMI and F/Fi MC ・An F/Fi HMI and C2/Ci2 MCPair the HMI of Model C2/Ci2 with MC of Model C2/Ci2. Pair the HMI of Model F/Fi with MC of Model F/Fi.
10Failure of communication related to seat cable1. Remove the battery and reinsert it after 10 seconds. 2. Turn off the device. Wait for 5 seconds. Remove the seat base and put it back. Turn on the device.(Model C2/Ci2) 3. Clean the contact surface of the connector between the seat base and main body.(Model C2/Ci2) 4. Replace the HMI, seat cable, main body cable or MC.
12Battery communication failure1. Remove the battery and reinsert it after 10 seconds. 2. Contact your dealer for repair.
13The battery was removed when the power was on.Insert a battery
14Low temperature mode The temperature of the battery dropped significantly (roughly 0℃ or less).Store the battery at room temperature or above 0℃ and wait until the temperature of the battery returns to 0℃ or above.
16Smart key battery lowReplace the smart key battery.
20Battery regeneration current too large (detected by the MC)Turn off the device and wait for 5 seconds, then turn it on.
21Battery regeneration current too large (detected by the battery)Turn off the device and wait for 5 seconds, then turn it on.
22Battery voltage is low (warning)Charge the battery.
23Battery voltage too low (forced shutdown by safety function)Charge the battery.
24Battery regeneration current too large (warning)Turn off the device and wait for 5 seconds, then turn it on.
25Battery regeneration current too large (forced shutdown by safety function)Remove the battery and insert after 10 seconds.
26Battery overload, such as climbing a steep slope with weight (warning)Remove the battery and insert after 10 seconds.
27Battery overload, such as climbing a steep slope with heavy weight (forced shutdown by safety fun...Remove the battery and insert after 10 seconds.
28Battery overload, such as climbing a steep slope with heavy weight (forced shutdown by safety fun...Remove the battery and insert after 10 seconds.
29Battery cell over temperature (warning)Remove the battery. Cool the battery to room temperature.
30Battery cell over temperature (forced shutdown by safety function)Remove the battery. Cool the battery to room temperature.
31Excessive regenerative power was generated with the battery at low temperature (warning)Turn off the device and wait for 5 seconds, then turn it on.
32Excessive regenerative power was gemerated with the battery at low temperature (forced shutdown b...Turn off the device and wait for 5 seconds, then turn it on.
33Failed to initialize the battery internal clockThe device can still run but its log time will be innacurate.
34Excessive regenerative power was generatedTurn off the device and wait for 5 seconds, then turn it on.
35The battery was cool and overloaded.Turn off the device and wait for 5 seconds, then turn it on.
36Battery high temperature (detected by the battery safety circuit 1)Remove the battery. Cool the battery to room temperature.
37Battery high temperature (detected by the battery safety circuit 2)Remove the battery. Cool the battery to room temperature.
38Battery circuit short1. Remove the battery and insert after 10 seconds. 2. Charge the battery. 3. Replace the battery.
39Battery miscellaneous error1. Remove the battery and insert after 10 seconds. 2. Charge the battery. 3. Leave the battery at room temperature to cool / warm it. 4. Replace the battery.
40Joystick error1. Remove the battery and reinsert it after 10 seconds. 2. Replace the HMI.
42LED error1. Turn the device off. Wait for 5 seconds, then turn it on again. 2. Replace the HMI.
44CAN communication error1. Remove the battery and reinsert it after 10 seconds. 2. Turn off the device and wait for 5 seconds. Remove the seat base. Put it back and turn the device on.(Model C2/Ci2) 3. Clean the contact surface between the seat base and main body.(Model C2/Ci2) 4. Replace the HMI, seat cable, main body cable or MC.
50Tail light over current1. Replace the tail light cable. 2. Replace the MC.
60Motor overloadTurn on the power again.
61Motor too hot (detected by the motor)1. Cool the motor 2. Replace the motor
62Motor too cold1. Warm the motor up 2. Replace the motor
63The speed profile is not set correctly.Change the settings from the app
64The joystick information was not received.Remove the battery and insert after 10 seconds.
65Motor sensor errorRemove the battery and insert after 10 seconds.
69CAN communication error (detected by the MC)Remove the battery and insert after 10 seconds.
70Motor too hot (detected by the MC)1. Cool the motor 2. Replace the MC.
71Motor driver IC over-voltageRemove the battery and insert after 10 seconds.
72Motor driver IC under-voltageRemove the battery and insert after 10 seconds.
73Failure of the motor driver board (charge pump)Remove the battery and insert after 10 seconds.
74Motor control unit over currentRemove the battery and insert after 10 seconds.
80Motor driver miscellaneous error 11. Remove the battery and reinsert it after 10 seconds. 2. Replace the motor. 3. Replace the MC.
81Motor driver miscellaneous error 21. Remove the battery and reinsert it after 10 seconds. 2. Replace the motor. 3. Replace the MC.
82Motor driver miscellaneous error 31. Remove the battery and reinsert it after 10 seconds. 2. Replace the motor. 3. Replace the MC.
83Motor driver miscellaneous error 41. Remove the battery and reinsert it after 10 seconds. 2. Replace the motor. 3. Replace the MC.
84SPI communication error1. Remove the battery and reinsert it after 10 seconds. 2. Replace the motor. 3. Replace the MC.
85Motor angle detection error1. Remove the battery and reinsert it after 10 seconds. 2. Replace the motor. 3. Replace the MC.
86Motor over current1. Remove the battery and reinsert it after 10 seconds. 2. Replace the motor. 3. Replace the MC.
87Brake over voltage1. Remove the battery and reinsert it after 10 seconds. 2. Replace the brake. 3. Replace the MC.
90Status error1. Remove the battery and reinsert it after 10 seconds. 2. Contact your dealer for repair.
91Timeout error1. Remove the battery and reinsert it after 10 seconds. 2. Contact your dealer for repair.

Serial code label

No serial location data yet for this powerchair. Serial codes

Parts (0)

No parts recorded for this model yet.

Summarised from public manuals and supplier listings. Always check the product's own manual before any repair.