HANGCHA CDD15-WS - Handheld Programmer; Fault Code Table

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● Do not allow water to enter the product!
● Do not operate with power on!
● Do not reverse polarity!
● Do not short circuit the motor!
3.2.2 Handheld programmer
► The programmer is for easy maintenance and service of the truck.
► Shall not adjust controller parameter without the agreement of manufacturer, in case of truck
or human accident.
► The programmer will automatically keep into memory after adjusting parameter, only need to
key off and re-start it.
► Please refer to the user manual of the handheld programmer for specific operations.
3.2.3 Fault Code Table
Diagnosis and Fault Guide - Fault Menu for Handheld Units:
This fault code table provides the following information:
- Fault codes(Please check the reference photo on the right)
- Fault name displayed on the programmer
- Performance caused by malfunction
- Possible causes of the malfunction
When a malfunction occurs, if it is confirmed that it is not a wiring error or a mechanical fault in
the vehicle, it can be attempted to restart through the vehicle key switch. If the fault persists,
please turn off the key switch, check if the connector is properly connected or dirty, repair and
clean it,reconnect it, and then try again.
Code Fault Description Possible cause Solution
Err 11 EE_VALIDATE_FAIL Parameter error
Parameter adjustment error or
Controller failure
Copy other vehicle
parameters to this controller
or replace the controller.
Err 12 U_I_ERROR Overcurrent Controller failure Replace the controller.
Err 13 GATE_DRIVE_ERROR Overcurrent Controller failure Replace the controller.
Err 14 U_NULL_ERROR
U-phase current
sensor error
Controller failure Replace the controller.
Err 15 V_NULL_ERROR
V-phase current
sensor error
Controller failure Replace the controller.
Err 16 BAD_EREV_ERROR
Emergency reverse
switch error
When starting the machine, there is
a signal from the emergency
reverse switch, such as a stuck
switch.
Repair the emergency
reverse switch
Err 17 PRECHARGE_FAILED Pre charging error Controller failure Replace thecontroller.
Err 18
SPEED_SENSOR_FAULT
Motor Hall error -
reserved
No such item No such item
Err 19 BAD_NTC
The temperature
sensor of the walking
machine is faulty
The temperature sensor of driving
motor disconnected or faulty
Repair the wiring or replace
the drive motor assembly
Err 21 THROTTLE_FAULT Accelerator damaged Wiring failure or accelerator failure
Replace the wiring or replace
the accelerator
Err 22 HEAT_LIMIT_FAULT
Controller overheat
current limiting
Controller temperature is too high
and used too frequently.
After a certain period of rest,
use it again.