LG Error Code CH09
Common error codes
Error Code CH09 – Indoor Unit EEPROM / PCB Fault
LG Error Code CH09 commonly points to an EEPROM or indoor PCB fault. The system may fail to start or show repeated error codes.
Because control-board faults can worsen, professional diagnosis is recommended.
✅ Hycool Air Conditioning Sydney can test LG CH09 issues and recommend repair or replacement options. If CH09 appears, call Hycool today.