LG error code CH10
What it means
Indoor fan motor fault or abnormal fan operation.
Possible causes
Fan barrel obstructed by debris Motor windings open or shorted Faulty inverter or control output driving the fan
Suggested fix
Inspect the fan for mechanical obstruction, then check motor resistance and control output; replace the fan motor or indoor control board as dictated by measured values and functional tests.
Safety first. Isolate the power supply before inspecting any unit. Refrigerant-circuit
and electrical repairs must be carried out by a qualified, registered technician.
Other LG codes
- CH01 — Indoor air (room) temperature sensor fault.
- CH02 — Indoor pipe (coil) temperature sensor fault.
- CH03 — Drain pump or condensate removal error.
- CH05 — Communication fault between the indoor and outdoor unit.
- CH09 — Indoor unit EEPROM or memory error.
- CH21 — Outdoor DC compressor IPM (inverter power module) fault.
- CH22 — Outdoor current transformer (CT) error.
- CH23 — Outdoor DC compressor overcurrent protection.
- CH61 — High temperature protection in outdoor unit (cooling) or indoor unit (heating).
- CH67 — Outdoor fan motor fault.