B
134
Repair and Service Manual
FAULT TESTING
Read all of SAFETY and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
699327
LED
Code
1313
Display
Explanation
Controller
Response
Recover
When
Possible Cause
1-2
Controller
Over current
Phase Current
exceeded current
limits
Vehicle
Disabled
KSI Cycled
1.External short of phase U,V or W
2.Check wiring
3.Motor parameters are mis-tuned
4.Defective controller
5.Speed encoder noise problems
1-3
Current
Sensor Fault
Controller current
sensors have invalid
offset reading
Vehicle
Disabled
KSI Cycled
1.Short to car frame from phase U,V or W.
2.Controller defective
1-4
Precharge
Failed
Capacitor bank
failed to charge at
KSI voltage
Vehicle
Disabled
Cycle
interlock
1.See handheld monitor menu - battery:
capacitor voltage
2.External load on capacitor bank
preventing capacitor charge
3.Check wiring
4.Check brake sensor if other faults are
found
1-5
Controller
Sever
Undertemp
Heat sink
temperature below -
40ºC
Vehicle
Disabled
Raise
controller
temp to
above -40*C
and cycle
KSI or
interlock
1.Controller is operating in an extreme
environment
2.See monitor menu - controller:
temperature
1-6
Controller
Sever Over
temp
Heat sink
temperature above
+95ºC
Vehicle
Disabled
Reduce heat
sink
temperature
below 95*C
and cycle
KSI or
interlock
1.Controller is operating in an extreme
environment
2.See monitor menu - controller:
temperature
3.Excessive load on vehicle
4.Improper mounting of controller
1-7
Severe Under
voltage
Capacitor voltage
dropped below limit
Reduced Drive
torque and
speed
Condition
clears
1.Battery menu parameters are mis adjusted
2.Non-controller system drain on batteries
3.Battery resistance too high
4.Battery disconnected while driving
5.See monitor menu - Battery: capacitor
voltage
6.Blown B+ fuse or main contactor did not
close
Fig. 7 Fault Code Chart
PRELIMINARY
