JLG Scissor Lift Error Codes DTC

Some JLG Scissor Lifts Fault Codes DTC.

 

- 212

- Fault Message: Faulty Keyswitch

- Description: Both platform and ground modes are selected simultaneously.

- Check: Key switch function, Check wiring to key switch function.

 

- 221

- Fault Message: Horn Permanently Selected

- Description: The horn switch was closed during power-up in platform mode.

- Check: Check if the horn is damaged, obstructed or jammed.

 

- 226

- Fault Message: Accelerator Faulty

- Description: The joystick signal is outside the acceptable range of 0.5V – 4.5V.

- Check: Center joystick and check to see if a power cycle will clear DTC.

 

- 231

- Fault Message: Function Problem – Lift Permanently Selected

- Description: The ground control box lift switch was closed up or down, during power up in ground mode.

- Check: Check if the lift switch is obstructed or jammed.

- 233

- Fault Message: Function Problem – Brake Release Permanently Selected

- Description: The manual brake release switch was closed during power-up.

- Check: Check if brake release switch is obstructed or jammed.

 

- 251

- Fault Message: Elev Angle Sensor Faulty

- Description: Elevation angle sensor input voltage is outside the acceptable range of 0.10V – 4.50V.

- Check: Check that the platform elevation sensor is securely mounted and undamaged, Check the elevation sensor wiring.

 

- 314

- Fault Message: Auxiliary Circuit – Open Relay

- Description: The auxiliary relay did not close when energized.

- Check: Check the auxiliary relay coil and associated wiring.

 

- 441

- Fault Message: Battery Voltage Too Low

- Description: The power module momentarily measure battery voltage under 14.5V.

- Check: Recharge batteries or check for damaged batteries.

 

- 775

- Fault Message: Open Circuit Field Wiring

- Description: Drive, steer, and lift prevented.

- Check: The system module applied field current, but could regulate the desired current. The situation is caused by improper field wiring or a damaged motor.