Lg Split AC Master Error Code List
Md AFSAR
The LG Split AC Master Error Code List helps you quickly identify faults displayed on the indoor unit. Each error code corresponds to a specific issue, such as sensor failure, communication error, fan motor problem, or refrigerant-related fault. By referring to the master list, technicians and users can accurately diagnose the problem and take the correct troubleshooting or repair steps, ensuring efficient and reliable AC performance.
| Error Code | Meaning |
|---|---|
| CH01 | Indoor Air Sensor Problem ( Open/Short ) |
| CH02 | Indoor Coil Sensor Problem ( Open/Short ) |
| CH05 | Communication Failure (indoor to outdoor) |
| CH06 | Indoor Sensor Exit Pipe |
| CH09 | EEPROM Error (PCB Problem) |
| CH10 | Indoor Unit Fan Problem |
| CH12 | Indoor Sensor Middle Pipe ( Open/Short ) |
| CH21 | DC Peak (IPM) fault (PCB PROBLEM) |
| CH22 | CT2 (Max СT) (PCB PROBLEM) |
| CH23 | DC link low voltage |
| CH26 | DC Comp position error (Comp. Problem) |
| CH27 | PSC fault |
| CH29 | Comp phase over current |
| CH32 | Inverter compressor D pipe overheat |
| CH35 | High pressure sensor high |
| CH35 | Low pressure sensor low |
| CH36\38 | Refrigerant leak detection |
| CH37 | Exceed the compression ration limit |
| CH40 | CT sensor error |
| CH41 | Discharge pipe sensor error |
| CH42 | Low pressure sensor error |
| CH43 | High pressure sensor error |
| CH44 | Outdoor air sensor error |
| CH45 | Cond middle pipe sensor Error |
| CH46 | Suction pipe sensor Error |
| CH51 | Excess capacity (Mismatch between IDU and odu unit) |
| CH53 | Communication error |
| CH61 | Condenser Pipe high temperature |
| CH62 | Heat sink sensor temp. High |
| CH67 | BLDC motor fan lock (Check Outdoor Motor) |
| CH72 | Detect 4 way valve transfer failure |
| CH93 | Communication error |
LG Error Code Brand Card
