Johnson Controls 22 SEER installation manual UIM-B-0113, Error Codes - 09K 12K Continued

898841-UIM-B-0113

TABLE 12: Error Codes - 09K 12K (Continued)

		Display Method of Indoor Unit						Malfunction
	Malfunction		Indicator Display			Indicator has 3 kinds of display
No.		Dual 8	(during blinking,			status and during blinking, ON 0.5s				A/C Status	Possible Causes
	Name	Code	ON 0.5s and OFF 0.5s)				and OFF 0.5s
		Display	Operation	Cool	Heating	Yellow		Red	Green
			Indicator	Indicator	Indicator	Indicator		Indicator	Indicator
	Malfunction									During cooling and drying
					OFF 3S					operation, compressor will
45	of voltage									stop while indoor fan will
		U3			and blink						Supply voltage is unstable
	dropping for									operate; During heating
					20 times
	DC bus-bar									operation, the complete
										unit will stop
										During cooling and drying
	Malfunction			OFF 3S						operation, the compres-	Theres circuit malfunction on
										sor will stop while indoor
46	of complete										outdoor units control panel AP1,
		U5		and blink						fan will operate; During
	units current										please replace the outdoor units
				13 times						heating operating, the
	detection										control panel AP1.
										complete unit will stop
										operation.
										If this malfunction occurs	1. Supply voltage is lower than
	The four-way			OFF 3S							AC175V;
										during heating operation,	2. Wiring terminal 4V is loos-
47	valve is	U7		and blink
										the complete unit will stop	ened or broken;
	abnormal			20 times
										operation.	3. 4V is damaged, please
											replace 4V.
	Zero-crossing									During cooling operation,
			OFF 3S							compressor will stop while
48	malfunction									indoor fan will operate;	Replace outdoor control panel
		U9	and blink
	of outdoor									during heating,the com-	AP1.
			18 times
	unit									plete unit will stop opera-
										tion.
	Frequency							OFF 3S
49	limiting							and blink
	(power).							13 times
	Compressor					OFF 3S
50	is open-					and blink
	circuited					once
	The
51	temperature							OFF 3S
	for turning on							and blink
	the unit is							8 times
	reached
	Frequency							OFF 3S
52	limiting
								and blink
	(module
								11 times
	temperature)
53	Normal com-								Continously
	munication
					OFF 3S
					and blink					Defrosting will occur in
					once
						OFF 3S				heating mode. Compres-
					(during
54	Defrosting					and blink				sor will operate while	Its the normal state.
					blinking,
						twice				indoor fan will stop opera-
					ON 10s
										tion.
					and OFF
					0.5s)

36 Johnson Controls Unitary Products