SDLG (Lingong) Fault Codes
Diagnostic codes for SDLG excavators, from the LG6210E maintenance manual. 16 codes.
LG6210E excavator
| Code | Fault | Meaning |
|---|---|---|
| 01 | Coolant temperature high | Coolant temperature high.… |
| 02 | Engine oil pressure low | Engine oil pressure low.… |
| 03 | Air filter clogged | Air filter clogged.… |
| 04 | Preheater driver fault | Preheater driver fault.… |
| 05 | Preheater status abnormal | Preheater status abnormal.… |
| 06 | Engine speed sensor fault | Engine speed sensor signal fault.… |
| 07 | Boost pressure sensor fault | Boost pressure sensor fault.… |
| 08 | Coolant temperature sensor fault | Coolant temperature sensor fault.… |
| 21 | Communication error (V-ECU / I-ECU) | Communication error between V-ECU and I-ECU.… |
| 22 | Communication error (V-ECU / I-ECU) | Communication error between V-ECU and I-ECU.… |
| 23 | Communication error (V-ECU / I-ECU) | Communication error between V-ECU and I-ECU.… |
| 24 | V-ECU no signal | V-ECU receives no signal (input signal not updating).… |
| 41 | V-ECU power voltage low | V-ECU power supply voltage low.… |
| 42 | Fuse - solenoid & relay voltage low | Fuse circuit for solenoids and relays: voltage low.… |
| 43 | Fuse - PWM voltage low | Fuse circuit for PWM outputs: voltage low.… |
| 44 | Fuel level sensor out of range | Fuel level sensor signal out of range.… |
Every entry names its source on its own page. Always confirm in the service manual for your exact model.