Sharp AE-X12FR, AY-XP12FR, AY-XP7FR, AY-XP9FR, AE-X7FR, AE-X9FR service manual AYXP7FR

AYXP7FR

Status of	Indication	Malfunction		Content of diagnosis		Inspection location/method		Remedy
indoor/	by LED1	No. dis-
outdoor	on out-	played on
units	door unit	main unit
	*2	display sec-
		tion *1
		Main	Sub-	Main category	Sub-category
		cate-	cate-
		gory	gory
Indoor/		19	-0	Indoor unit fan	Indoor unit fan error	(1) Check the indoor fan	(1) Replace the indoor fan
outdoor						motor for proper rotating		motor.
units in						operation.(Check fan
complete						lock.)
shutdown						(2) Check the lead wire of the	(2) Replace the indoor fan
						indoor fan motor for open-		motor.
						circuit.
						(3) Check CN1 of the indoor	(3)	Correct the installa-
						unit fan motor for secure		tion of CN1 of the
						installation.		indoor fan motor.
						(4) No abnormality found in	(4)	Replace the indoor
						above inspections (1)		unit control PWB.
						through (3).
Indoor/		20	-0	Indoor unit con-	EEPROM data error	(EEPROM read data		Replace the indoor
outdoor				trol PCB		error)		unit control PWB.
units in
operation
Indoor/		88		Control and dis-	Communication	(1) Check for disconnected	(1)	Insert connectors cor-
outdoor				play PCB	error	connector between control		rectly, or replace con-
units in						PCB and display PCB,		trol PWB.
operation						and open-circuit in lead
						wires.
						(2) Check that control PCB	(2)	Replace control PWB.
						outputs signals correctly.

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