Haier HSU-09HSA03/R2(DB), HSU-12HSA03/R2(DB) manual Trouble shooting

	Haier air conditioner		Edition: 20070116
5. Trouble shooting
Indoor	Outdoor		Possible Reasons
E1	/	1)Room-temperature sensor
		2) Indoor PCB
E2	/	1)Heat-exchange sensor
		2)Indoor PCB
	With the malfunction, LED1
F21	on the outdoor mainboard	1) Defrosting temperature sensor
	blinks 10 times at frequency	2) Outdoor PCB
	of 1 Hz
	With the malfunction, LED1
F25	on the outdoor mainboard	1) Exhaust temperature sensor
	blinks 13 times at frequency	2) Outdoor PCB
	of 1 Hz
	With the malfunction, LED1
	on the outdoor mainboard	1) Ambient	temperature sensor
F6	blinks once at 12 times of 1
		2) Outdoor PCB
	Hz and interval of 2 seconds
	or so.
		1)The outdoor mainboard needs
		dehumidification
		2)The outdoor mainboard needs
	With the malfunction, LED1	dehumidification
		3)The linking cable between the indoor and
E7	on the outdoor mainboard
		outdoor units is not well connected or the
	blinks 15 times
		core wires are not well insulated 4)The
		indoor PCB might be broken
		5)The outdoor PCB might be broken
		6)The SPDU might be broken
	With the malfunction, LED1	1) The wiring of compressor is incorrect or
F11	on the outdoor mainboard	the connection is poor
	blinks17or18 times at	2)The SPDU might be broken
	frequency of 1 Hz	3) Compressor might be damaged.
		1) The cryogen may have been leaked
	With the malfunction, LED1	during installation, or there may be leakage
F4	on the outdoor mainboard	in the piping system.
	blinks 8 times at frequency	2)Exhaust temperature sensor is broken
	of 1 Hz	3) The outdoor mainboard is damaged and
		needs be replaced
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