LG Electronics General Wall Mounted-Inverter Type Description Cause of error Indoor fan is locked

Part 4 Trouble Shooting

Error code	Description	Cause of error
8	Indoor fan is locked	• Indoor fan is locked or separated
	(BLDC fan model only)	• Fan connector is not connected to indoor pcb assembly
		• Defective in DC-fan driving circuit

Check flow

Indoor fan is rotating ? (1)

No

Check indoor unit

-remove obstacles in indoor unit

-fan assembled correctly.

YES

Indoor fan is rotating ? (2)

No

Check soldering state of CN-Motor1 & assembling state of DC Fan connector

YES

DC–fan driving circuit is right ?

No

Check DC Fan Driving circuit (Soldering state & Direction)

-R01F~R09F, C01F~C03F, IC01F~IC03F, Q01F~Q02F, ZD01F

Error code	Description	Cause of error
9	Outdoor fan is locked	• Outdoor fan is locked by an obstacle (ex : branch of tree, bar…etc)
	(BLDC fan model only)	• Fan connector is not connected to outdoor pcb assembly
		• Defective in DC-fan driving circuit

Check flow

YES

Outdoor fan is rotating ? (1)

No

Check outdoor unit

-remove obstacles in outdoor unit

Outdoor fan is rotating ? (2)

No

Check connector is not connected to outdoor pcb assembly (CN-FAN2)

YES

DC–fan driving circuit is right ?

No

Check DC Fan driving circuit (Soldering state & Direction)

-R01F~R05F, C01F~C03F, Q01F~Q04F, ZD01F

54Room Air Conditioner