HANGCHA CPD25J C2 - Page 41

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6.1.2 Failure code
CPD10-30J
Fault table of tow controller
LED code
PROGRAMMER LCD
DISPLAY
EXPLANATION
POSSIBLE CAUSE
1,2
HW FAIL SAFE1-2-3
self-test or watchdog fault
Controller defective.
1，3
M-SHORTED
internal M- short to B-
1．Controller defective.
FIELD OPEN
.Field winding fault
1. Motor field wiring loose.
1, 2. Motor field winding open.
ARM SENSOR
armature current sensor fault
1．Controller defective.
FLD SENSOR
Field current sensor fault
1．Controller defective.
2，1
SPEED CONTROL
FAULT
VSC signal exceed range
1．VSC input wire open.
2．VSC input wire shorted to B+
or B-.
3．Throttle pot defective.
4. Wrong throttle type selected.
2，3
START LOCKOUT
starting sequence wrong
1．.Improper seq. of direction and
throttle inputs.
2. Wrong START LOCKOUT
type selected.
3. Misadjusted throttle pot.
4. Sequencing delay too short.
3，1
CONT DRVR OC
cont. driver output over
current
1. Contactor coil shorted.
3，2
MAIN CONT WELDED
welded main contactor
1. Main contactor stuck closed.
2. Main contactor driver shorted.
3，3
PRECHARGE FAULT
internal voltage too low at
startup
1. Controller defective.
2. External short, or leakage path
to B- on external B+ connection.
3，4
MISSING
CONTACTOR
missing contactor
1 Any contactor coil open or not
connected.
CONT DNC
main contactor did not close
1 Main contactor missing or wire
to coil open.
4，2
OVERVOLTAGE
overvoltage
1. Battery voltage >overvoltage
shutdown limit.
2. Vehicle operating with charger
attached.
3. Battery disconnected during
regen braking.
4，3
THERMAL CUTBACK
Over-/under-temp. cutback
1.Temperature >85℃ or <
-25℃.
2. Excessive load on vehicle.
3. Improper mounting of
controller.
4. Operation in extreme
environments.