18
Just Drive
Comfort control unit for pedelecs and e-scooters
7
Error codes
The Comfort control unit displays error codes for the entire pedelec system. The error codes
represent errors detected by the system. The following table shows the meaning of the error
codes. Please observe the recommended reaction to the error codes.
WARNING!
Note the error codes!
Error codes can indicate serious errors in the pedelec system. These errors pre-
vent safe operation of the pedelec. Accidents with personal injury and damage
to the pedelec may occur.
Stop using the pedelec. Inform yourself about the meaning of the error code and
observe the solution approach.
If the meaning of the error code is unclear, stop the drive and turn off the wheel.
Contact the manufacturer, the dealer or your garage for information on the next
steps.
Error codes provided by the drive system:
Error code
Description
Solution approach
10
The battery voltage is too low
Charge the battery pack with the battery charger.
11
The battery voltage is too high
Switch the system completely off and on again using
the T4 key on the control unit. If the problem per-
sists, contact your e-bike dealer.
12
The battery is almost completely dis-
charged
Charge the battery pack with the battery charger.
20
Electrical measurements are erroneous
Switch the system completely off and on again using
the LED key (28) on the battery pack (26). If the
problem persists, contact your e-bike dealer.
21
Thermocouple defective
23
Thermocouple defective
24
The internal voltage is beyond the oper-
ating range
Charge the battery pack with the battery charger.
25
Error in the motor current measurement
Switch the system completely off and on again using
the T4 key on the control unit. If the problem per-
sists, contact your e-bike dealer.
26
A software reset has been performed
31
Shortcut in light circuit
Check cable harness.
40/41
Detection of overcurrent in the motor
Reduce the load on the motor by pedaling less or re-
ducing the support level.
