HANGHCA Forklift Truck Error Codes

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.