HANGCHA CDD12-AC1 - Fault Code Table

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3.2.4 Fault code table
This fault codes provide the following information:
– Fault code
– Display fault name on the Curtis programmer
– Display caused by the fault
– Probable fault reason
– Fault deep reason
– Troubleshooting
When there is fault, if it’s affirmed not the wiring error or truck malfunction, you can try to restart
through key switch. If fault still exists, please turn down key switch, check if the connector of pin 35
connects right or gets dirt, after repair and clean , reconnect, and then start again.
Fault code table
Code
Programmer display
Probable fault reason
Deep fault
reason/troubleshooting
Fault display
12 Controller Overcurrent
Motor stops working
Main connector disconnects
EM brake shutdown
Throttle invalid
Brake
Pump stops working
1. External short of phase U,V,W
motor connections
2. Motor parameters do not
match.。
3. Controller malfunction
Reason：
Phase current exceeds
limited current
Troubleshooting：restart th
e key
switch
13 Current Sensor Fault
Motor stops working
Main connector disconnects
Electromagnetic brake disconnects
Throttle invalid
Brake, Pump stops working
1. Leakage to vehicle frame from
phase U,V, or W
2. Controller malfunction
Reason：
Deviation reads out to
controller current sensor.
Troubleshooting：
restart the key
switch
14 Precharge Failed
Motor stops working
Main connector disconnects
Electromagnetic brake disconnects
Throttle invalid
Brake
Pump stops working
1. External load on positive
terminal of the capacitor that
prevents the capacitor from
charging.
Reason：
Key switch input voltage
failed to charge the capacitor.
Troubleshooting ：
Reset or
re-
input interlock switch through
VCL function precharge().
15 Controller Severe Undertemp
Motor stops working
Main contactor disconnects
Electromagnetic brake disconnects
Throttle failure
Brake
1. Severe controller working
environment.
Reason：
Radiator temperature is
lower than -40℃.
Troubleshooting：R
aise the temp
above -40℃
, restart the key
switch or interlock switch.