TOMCAR TM37E - Page 100

100
Troubleshooting
MAINTENANCE
Traction Battery Faults
CODE
Fault name & Effect of Fault
Possible cause
Set/Clear Conditions
51
BMS timeout Error
Shutdown Motor;
Blown Fuse
Check fuses 12&21 in traction
battery fuse box.
52
BMS Over Current
Shutdown Motor;
Excessive load on vehicle
Cycle KSI and reduce load
53
Traction Battery Over Temp
Shutdown Motor;
Vehicle is operating in an
extreme environment.
Bring battery temperature below
55
o
C.
54
Traction Battery Critical
Discharge
Shutdown motor;
Battery SOC is below allowed
value.
Recharge the battery
56
BMS in Charge Mode
Charger is connected while KSI
is switched ON
Disconnect Charger and Cycle KSI
57
Traction Battery Over Voltage
Shutdown Motor;
1. Battery charger fault.
2. Battery disconnected while
regen braking.
Cycle KSI
59
Traction Battery
Internal BMS Over Temp
Shutdown Motor;
Charge cycle was interrupted
during modules balancing at
final stage.
Wait for a few minutes and cycle
KSI
61
Traction Battery
Low drive current limit
Reduced drive torque;
1. High or low temperatures.
2. Low SOC
If no other faults appear, check
SOC. If SOC is low, recharge the
battery.
65
Traction Battery Low SOC
Shutdown Motor;
Battery SOC is below allowed
value.
Recharge the battery