LiuGong Fault Codes
Diagnostic trouble codes for LiuGong excavators, from the CLG922E service manual. 40 codes.
CLG922E excavator
| Code | Fault | Meaning |
|---|---|---|
| 101001 | Extremely low battery voltage | Battery voltage is extremely low (DTC listed in the CLG922E service manual fault diagnosis chapter).… |
| 101003 | High battery voltage | Battery voltage is high.… |
| 101017 | Low battery voltage | Battery voltage is low.… |
| 111001 | System charging fault | System charging fault (alternator/charging circuit).… |
| 121015 | Engine oil pressure switch OFF | Engine oil pressure switch is OFF (no oil pressure signal).… |
| 121018 | Low engine oil pressure | Engine oil pressure is low.… |
| 121615 | Air filter clogging | Air filter is clogged.… |
| 131000 | High engine speed | Engine speed is high.… |
| 131005 | Engine speed sensor fault | Engine speed sensor fault.… |
| 131100 | Extremely high coolant temperature | Coolant temperature is extremely high.… |
| 131115 | High coolant temperature | Coolant temperature is high.… |
| 131203 | Hydraulic oil temperature sensor voltage above range | Hydraulic oil temperature sensor voltage is above the range value.… |
| 131204 | Hydraulic oil temperature sensor voltage below range | Hydraulic oil temperature sensor voltage is below the range value.… |
| 131215 | High hydraulic oil temperature | Hydraulic oil temperature is high.… |
| 131216 | Extremely high hydraulic oil temperature | Hydraulic oil temperature is extremely high.… |
| 131303 | Fuel level sensor voltage above range | Fuel level sensor voltage is above the range value.… |
| 131304 | Fuel level sensor shorted to ground | Fuel level sensor is shorted to ground.… |
| 131317 | Low fuel level | Fuel level is low.… |
| 131615 | Water-in-fuel | Water detected in fuel (water-in-fuel sensor).… |
| 131703 | Sensor power (5V) shorted to battery | Sensor power supply (5V) is shorted to the battery.… |
| 131704 | Sensor power (5V) shorted to ground | Sensor power supply (5V) is shorted to ground.… |
| 141005 | Pump proportional solenoid valve feedback open-circuited | Pump proportional solenoid valve feedback circuit is open.… |
| 141006 | Pump proportional solenoid valve feedback overcurrent | Pump proportional solenoid valve feedback overcurrent.… |
| 151004 | Attachment confluent solenoid valve shorted to ground | Attachment confluent (flow-combining) solenoid valve is shorted to ground.… |
| 151204 | A2 travel speed solenoid shorted to ground | A2 travel speed solenoid is shorted to ground.… |
| 151705 | A7 transient power boosting solenoid open-circuited / shorted to battery | A7 transient power boosting solenoid valve is open-circuited or shorted to the battery.… |
| 171004 | Battery relay shorted to ground | Battery relay is shorted to ground.… |
| 201004 | Travel alarm shorted to ground | Travel alarm circuit is shorted to ground.… |
| 211003 | P1 pump pressure sensor voltage above range | P1 pump pressure sensor voltage is above the range value.… |
| 211104 | P2 pump pressure sensor voltage below range | P2 pump pressure sensor voltage is below the range value.… |
| 211203 | N1 negative flow pressure sensor voltage above range | N1 negative-flow pressure sensor voltage is above the range value.… |
| 211316 | High N2 negative flow pressure | N2 negative-flow pressure is high.… |
| 221007 | Actuator getting stuck | Engine throttle actuator is getting stuck.… |
| 221013 | Actuator outside the calibrated range | Engine throttle actuator is outside the calibrated range.… |
| 231012 | Abnormal controller heartbeat | Controller heartbeat signal is abnormal.… |
| 231014 | CAN bus communication error | CAN bus communication error.… |
| 241014 | Accelerator knob outside the measurement range | Accelerator (throttle) knob signal is outside the measurement range.… |
| 251004 | Fuel pump relay shorted to ground | Fuel pump relay is shorted to ground.… |
| 261011 | GPS antenna fault | GPS antenna fault.… |
| 271304 | Fan reversing solenoid valve shorted to ground | Fan reversing solenoid valve is shorted to ground.… |
Every entry names its source on its own page. Always confirm in the service manual for your exact model.