Electrical Drive System Faults
If an error occurs in the motor controller or BMS it is represented to the driver on the Spyglass display by a number
with the prefix ‘E’.
Example: E00021 – Error code 21.
The following table displays some of the trouble codes that can be checked and solved without contacting your
authorized TOMCAR dealer.
Motor Controller Faults
Fault name & Effect of Fault
Pre-charge Failed
Shutdown Motor;
Shutdown Main Contactor;
Shutdown Throttle;
Full Brake;
Open circuit in external pre-
charge resistor or associated
wiring.
Check safety switch (located by
the charge socket) is ON.
Check fuse 16 in traction battery
fuse panel.
Cycle KSI
Controller Severe Under temp
Shutdown Motor;
Shutdown Main Contactor;
Shutdown Throttle;
Full Brake;
Controller is operating in an
extreme environment
Bring temperature above -40
o
C.
Cycle KSI
Controller Severe Over temp
Shutdown Motor;
Shutdown Main Contactor;
Shutdown Throttle;
Full Brake;
1. Controller is operating in an
extreme environment.
2. Excessive load on vehicle
Bring controller temperature
below 95
o
C.
Cycle KSI