Fault Codes / LG / CH54

LG

LG CH54

High

Multi V / Split — Reverse or open phase.

LG CH54: Reverse or open phase. This fault noticeably affects operation.

Possible causes

Missing phase / two phases swapped.

Check steps

Check all 3 phases; if correct, swap two phases.

Affected parts

Phasenwächter
Sicherungen
Klemmenblock

Safety note

400V — isolate power.

Source: LG Air Conditioning Fault Codes (offiziell, LG Electronics)

Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.

Look up in Enthalio →

Related fault codes

Indoor air temperature sensor fault (open/shorCH01 Inlet pipe sensor fault (open/short).CH02 Indoor/outdoor communication error — indoor unCH05 Discharge temperature over <val>130°C<CH10 Wired remote controller ↔ indoor communicationCH03 Drain pump / float switch error.CH04