HANGHCA Forklift Truck Error Codes

A HANGHCA Forklift Trucks Fault Codes DTC list

 

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.

- CONTINC 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.

HANGCHA Forklift Fault table of lift (oil pump) controller

 

LED code - PROGRAMMER LCD DISPLAY - EXPLANATION - POSSIBLE CAUSE

off

On

NO voltage or controller is not working, error (such as MCII defective)

 

0,1 ■ ¤ controller work normally, no error

 

1,1 ¤ ¤ EEPROM defective

- 1. EEPROM miss data

- 2. EEPROM data check error, use programmer 1311 to change any parameter can delete the error.

 

1,2 ¤ ¤¤ Hardware defective

- 1. MOSFET short down.

- 2. Motor circuit is an open circuit.

 

2,1 ¤¤ ¤ Low voltage Battery voltage is too low.

 

2,2 ¤¤ ¤¤ Lifting lock.

- The function of lifting lock of the controller is touch off.

 

2,3 ¤¤ ¤¤¤ Order fault (Startup lockout）

- Any switch of SS1-SS4 closes earlier than KSI or INTERLOCK.

 

3,2 ¤¤¤ ¤¤ Contact err

- 1. Main contact bonded。

- 2. The set of parameter - CONTACT CNTRL‖ is wrong.

 

3,3 ¤¤¤ ¤¤¤ Pre-charge fault

- 1. Pre-charge circuit work with err.

- 2. Motor short down.

 

3,4 ¤¤¤ ¤¤¤¤ Contact has not been installed or is not close.

- 1. The connection of main contact coil loose.

- 2. Main contact works abnormally.

 

4,1 ¤¤¤¤ ¤ Low -voltage protect. The voltage of battery is lower than the set value of - LOVOLT CUTBACK‖

 

4,2 ¤¤¤¤ ¤¤ Over-voltage protect. The battery voltage is too high.

 

4,3 ¤¤¤¤ ¤¤¤ temperature protect (over / under-temp）

- 1. The temperature of controller is too high or too low.

- 2. Temperature sensor works abnormal.