NOBLELIFT Forklift Truck Fault Codes DTC

Some NOBLELIFT Forklift FE3D series Truck Error Codes DTC

Code display on the programmer - Code display on the instrument - Troubleshoot - Fault cause

Controller Overcurrent - 1.2 - controller current overload

1 - motor outside U,V or Wconnection shour current

2 - motor parameter mismatching

3 - controller failure

Current Sensor Fault - 1.3 - Current sensor failure

1 - motor U、V、W truck circuit，lead to current leakage

2 - controller failure

Precharge Failed - 1.4 - Precharge failure

1 - battery can’t charged

Controller Severe Undertemp - 1.5 - Controller temperature too low

1 - The controller working environment is too harsh

Controller Severe Overtemp - 1.6 - Controller temperature too high

1 - The controller working environment is too harsh

2 - truck overloaded

3 - the controller is wrongly assembled

Severe Undervoltage - 1.7 - Voltage too low

1 - battery parameter is wrongly setted

2 - non controller system power consumption

3 - The battery impedance is too large

4 - battery connection is disconnected

5 - the fuse is disconnected, or main contactor is not connected

Severe Overvoltage - 1.8 - Voltage too high

1 - Battery parameter is wrongly setted

2 - The battery impedance is too large

3 - Regenerative braking when the battery connection is disconnected

Controller Overtemp Cutback - 2.2 - Controller temperature too high, as a result the performance is not good

1 - The controller working environment is too harsh

2 - truck overloaded

3 - the controller is wrongly assembled

Undervoltage Cutback - 2.3 - Voltage too low, as a result the performance is not good

1 - battery power is insufficient

2 - Battery parameter is wrongly setted

3 - non controller system power consumption

4 - The battery impedance is too large

5 - battery connection is disconnected

6 - the fuse is disconnected, or main contactor is not connected

Code display on the programmer - Code display on the instrument - Troubleshoot - Fault cause

Overvoltage Cutback - 2.4 - Voltage too high, as a result the performance is not good

1 - during the process of regenerative braking, regenerative braking current lead the battery voltage to rise

2 - Battery parameter is wrongly setted

3 - The battery impedance is too large

4 - when regenerative braking +5V Supply Failure 2.5 Controller output 5v, poer supply failre

1 - external load impedance is too low

Digital Out 6 Failure - 2.6 - Drive 6 output overcurrent

1 - external load impedance is too low

Digital Out 7 Overcurrent - 2.7 - Drive 7 output overcurrent

1 - external load impedance is too low

Motor Temp Hot Cutback - 2.8 - The motor is too hot, as a result the performance is not good

1 - The motor temperature reach or above the setted program alert temperature, lead the current output to reduce

2 - motor temperature parameter is wrongly setted

3 - If the motor has not used the temperature sensor, programming parameters

“Temp compensation” and “Temp cutback ”must be setted“ OFF”。

Motor Temp Sensor Fault - 2.9 - Motor temperature sensor failure

1 - Motor temperature sensor is wrongly connecttedly

2 - If the motor has not used the temperature sensor, parameter programming “MotorTemp Sensor Enable” must be setted “OFF”

Coil 1 Driver Open / Short - 3.1 - Drive 1 output linkng coil is open circuit or short circuit

1 - connected load is open circuit or short circuit

2 - connecting pin is stained

3 - wrong wiring

Main Open / Short - 3.1 - Main contactor coil is open circuit or short circuit

1 - connected load is open circuit or short circuit

2 - connecting pin is stained

3 - wrong wiring 

Code display on the programmer - Code display on the instrument - Troubleshoot - Fault cause

Coil2 Driver Open / Short - 3.2 - Drive 2 output linkng coil is open circuit or short circuit

1 - connected load is open circuit or short circuit

2 - connecting pin is stained

3 - wrong wiring

EMBrake Open / Short - 3.2 - Electromagnetic brake coil is open circuit or short circuit

1 - connected load is open circuit or short circuit

2 - connecting pin is stained

3 - wrong wiring

Coil3 Driver Open / Short - 3.3 - Drive 3 output linkng coil is open circuit or short circuit

1 - connected load is open circuit or short circuit

2 - connecting pin is stained

3 - wrong wiring

Coil4 Driver Open / Short - 3.4 - Drive 4 output linkng coil is open circuit or short circuit

1 - connected load is open circuit or short circuit

2 - connecting pin is stained

3 - wrong wiring

PD Open / Short - 3.5 - Proportional driving is open circuit or short circuit

1 - connected load is open circuit or short circuit

2 - connecting pin is stained

3 - wrong wiring

Encoder Fault - 3.6 - Encoder failure

1 - motor encoder is failure

2 - wrong wiring

Motor Open - 3.7 - Motor is open corcuit

1 - motor phase

2 - wrong wiring

Main Contactor Welded - 3.8 - Main contactor adhesions

1 - Main contactor contact welding

2 - motor U or V disconnected or default phase

3 - circuit that connecting B+ terminal will electricize the battery

Main Contactor Did Not Close - 3.9 - Main contactor is not closed

1 - main contactor is not closed

2 - Main contactor pin is oxydic, melted, or not stable when connected

3 - external device electricize the battery

4 - fuse is disconnected

Throttle Wiper High - 4.1 - Accelerator output is high

1 - accelerator and potentiometer output voltage is too high

Throttle Wiper Low - 4.2 - Accelerator output is low

1 - accelerator and potentiometer output voltage is too low

Pot2 Wiper High - 4.3 - potentiometer 2 output is too high

1 - potentiometer 2 output voltage is too high

Pot2 Wiper Low - 4.4 - potentiometer 2 output is too low

1 - potentiometer 2 output voltage is too low

Pot Low Overcurrent - 4.5 - potentiometer current is too low

1 - potentiometer impedance is too low

EEPROM Failure - 4.6 - EEPROM failure

1 - EEPROM storage failure