LG SPLIT AC ERROR CODE
Chandan Kumar •
| Error Code | Meaning / Issue |
|---|---|
| CH01 / CH02 | Indoor unit air temperature sensor fault |
| CH03 | Communication error between indoor & outdoor unit |
| CH05 | Communication error (wiring / PCB / voltage issue) |
| CH06 | Indoor unit pipe temperature sensor problem |
| CH09 | Main PCB (control board) error |
| CH10 | Indoor fan motor error |
| CH21 | DC peak / compressor overload |
| CH22 | Over-current protection (compressor drawing high power) |
| CH26 | Compressor position detection error |
| CH29 | Inverter compressor overcurrent |
| CH32 | High refrigerant pressure |
| CH33 | Low refrigerant pressure |
| CH38 | Low refrigerant (gas) detected |