Sharp AY-XP12FR, AY-XP7FR, AY-XP9FR, AE-X7FR, AE-X9FR, AE-X12FR Inter-unit wiring error mode Symptom

AYXP7FR

Malfunction indications due to erroneous wiring during air conditioner installation

	Inter-unit wiring error mode							Symptom
1							Indoor unit relay	Turns On momentarily, then turns Off.
							Malfunction diagnosis display	"18-1"
		1		1
	Indoor					Outdoor
			N		N
	unit					unit
		2		2
2							Indoor unit relay	Relays turns Off after about 30 minutes.
							Malfunction diagnosis display	None
			1		1			(Displays "18-0" when malfunction code is called out.)
	Indoor					Outdoor
			N		N
	unit					unit
			2		2
3							Indoor unit relay	Relays turns Off after about 30 minutes.
							Malfunction diagnosis display	None
			1		1			(Displays "18-0" when malfunction code is called out.)
	Indoor					Outdoor
			N		N
	unit					unit
			2		2
4							Indoor unit relay	Turns On momentarily, then turns Off.
							Malfunction diagnosis display	"18-1"
			1		1
	Indoor					Outdoor
			N		N
	unit					unit
			2		2
5							Indoor unit relay	Turns On momentarily, then turns Off.
							Malfunction diagnosis display	"18-1"
			1		1
	Indoor					Outdoor
			N		N
	unit					unit
			2		2

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