LG Electronics LF300CP(LP-C303R20), LF480CE(LP-C483TA0) service manual Indoor fan does not operate

2-1) Indoor fan does not operate

Is the unit	NO
operating?

Reset the power ON/OFF S/W

YES

Is the DC5V

at 20pin of (MICOM)?

NO

YES	Is the DC5V	NO
	at 21pin of
	(MICOM)?

YES	Is the DC5V
	at 22pin of
	(MICOM)?

YES

NO

Replacement (MICOM) and check the EVA-Th.

NO	Is the DC12V	NO	Is the DC12V	NO	Is the DC12V
	at each terminal		at each terminal		at each terminal
	RY-S/High Coil		RY-High Coil		RY- Mid Coil
	YES		YES		YES

Replacement ICO3M

	Is the		Is the		Is the
NO		NO AC220V(240V) between		NO	AC220V(240V)
	AC220V(240V) between
	"C" and "S/High" of		"C" and "High" of P.C.B?		between "C" and "Mid"
					of P.C.B?
	P.C.B?

	YES	YES	YES
Replacement S/High	Replacement High	Replacement RY-Mid
Check the motor winding

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