Johnson Controls 22 SEER installation manual UIM-B-0113, Johnson Controls Unitary Products

898841-UIM-B-0113

TABLE 13: Error Codes - 18K 24K (Continued)

						Display Method of Outdoor
		Display Method of Indoor Unit				Unit (Indicator has 3 kinds of
						display status and they will
						be repeated every 5s.)
	Malfunction
No.			Indicator Display (during				□ OFF			A/C status	Possible Reasons
	Name
		Dual-8		blinking,			■ Illuminated
		Code	ON 0.5s and OFF 0.5s)				☆ Blink
		Display
			Operation	Cool	Heating	D5	D6	D16	D30
			Indicator	Indicator	Indicator	(D40)	(D41)	(D42)	(D43)
										During cooling and drying
					OFF 3S					operation, compressor will	Refer to the ProficienTECH Duct-
	System is									stop while indoor fan will	less Splits Technical Training Man-
24		H4			and blink	■	□	■	■
	abnormal				4 times					operate; During heating	ual (overload, high temperature
										operation, the complete	resistant)
										unit will stop operation.
										During cooling and drying	Refer to the ProficienTECH Duct-
					OFF 3S					operation, compressor will	less Splits Technical Training Man-
	IPM									stop while indoor fan will	ual (IPM protection, loss of
25		H5			and blink	□	☆	□	■
	protection				5 times					operate; During heating	synchronism protection and over-
										operation, the complete	current protection of phase current
										unit will stop operation.	for compressor.
										During cooling and drying
	PFC				OFF 3S					operation, compressor will	Refer to the ProficienTECH Duct-
										stop while indoor fan will
26		HC			and blink	□	■	☆	☆		less Splits Technical Training Man-
	protection									operate; During heating
					6 times					operation, the complete	ual
										unit will stop operation.
										During cooling and drying	Refer to the ProficienTECH Duct-
	Desynchronizing				OFF 3S					operation, compressor will	less Splits Technical Training Man-
										stop while indoor fan will	ual (IPM protection, loss of
27		H7			and blink	□	☆	■	☆
	of compressor				7 times					operate; During heating	synchronism protection and over-
										operation, the complete	current protection of phase current
										unit will stop operation.	for compressor.
	Decrease									All loads operate normally,	Refer to the ProficienTECH Duct-
	frequency due to				OFF 3S
											less Splits Technical Training Man-
28	high temperature	H0			and blink	■	□	☆	☆	while operation frequency for
											ual (overload, high temperature
	resistant during				10 times					compressor is decreased.	resistant).
	heating operation
										During cooling and drying
					OFF 3S					operation, compressor will	Refer to the ProficienTECH Duct-
										stop while indoor fan will
29	Failure startup	LC			and blink	□	☆	□	☆		less Splits Technical Training Man-
										operate; During heating
					11 times					operation, the complete	ual.
										unit will stop operation.
										During cooling and drying
	Malfunction of				OFF 3S					operation, compressor will
30	phase current									stop while indoor fan will	Replace outdoor control panel
		U1			and blink	□	☆	■	□
	detection circuit									operate; During heating	AP1.
	for compressor				13 times					operation, the complete
										unit will stop.
										During cooling and drying
	EE PROM				OFF 3S					operation, compressor will
										stop while indoor fan will	Replace outdoor control panel
31		EE			and blink	□	□	□	■
	malfunction									operate; During heating	AP1.
					15 times					operation, the complete
										unit will stop.
										During cooling and drying
	Charging				OFF 3S					operation, compressor will	Refer to the part three charging
										stop while indoor fan will	ProficienTECH Ductless Splits
32	malfunction of	PU			and blink	□	■	□	■
										operate; During heating	Technical Training Manual of
	capacitor				17 times					operation, the complete	capacitor.
										unit will stop.
										During cooling and drying
	Malfunction				OFF 3S					operation, compressor will
33	of module									stop while indoor fan will	Replace outdoor control panel
		P7			and blink	□	□	■	☆
	temperature									operate; During heating	AP1.
	sensor circuit				18 times					operation, the complete
										unit will stop.

Johnson Controls Unitary Products 39