Haier AD142AMBIA Malfunction, Unit fails to start, Cooling or heating is not sufficient

Is the power source switch adjust cut in?

ON

OFF

Power supply switch is not ON.

Is the thermostat adjust as required?

Isn't the swing louver horizontal?

(At HEATING mode) If swing louver is horizontal, the blow wind does not reach floor.

The wind does not blow during heating operation

Isn't it warming up?

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MALFUNCTION

please check the following things about your air conditioner before making a servie call.

Unit fails to start

Is city supply power in normal?

Power stoppage?

Isn't the signal receiving section exposed to the direct sunlight or strong illumination?

Isn't the earth leakage breaker in action?

It is dangerous. Turn off the power supply switch immediately and contact the sales dealer.

Cooling or heating is not sufficient

Isn't the air filter dirty?	Isn't any doors or windows
	left open?

Doesn't any obstacle exist at the air inlet or outlet?

Cooling is not sufficient

Isn't sun-shine invading	Isn't any unexpected
direct?	heating load generated?

Isn't the room much crowded?

When the air conditioner does not operate properly after you have checked the above mentioned items or when the following phenomenon is observed, stop the operation of the air conditioner and contact your sales dealer.

The fuse or breaker often shuts down.

Water drops off during cooling operation.

There is a irregularity in operation or abnormal sound is audible.

When the CHECK lamp flickers, an irregularity has occurred in the air conditioner.

Flickering	F1	F2	F4	F5	F7	E1	E2	E3
Content	The trouble	The trouble	The trouble of	The trouble of	The trouble of	The trouble		The trouble of
					the wiring
								the indoor
of defect	of the room	of the pipe	the overload	the cooling ice	controller	of the	No load
								and outdoor
	temp.sensor	temp. sensor	heating	over	and outdoor	module		comumication
					comumication

Flickering	E4	E5	E6	E7	E8	E0	EA	EC	EE
Content	The trouble	The trouble of	The trouble of	The trouble of	singlechip	The trouble	voltage of	The trouble	E2PROM
			the outdoor
of defect	of the comp.	the overload		the outdoor	bad	of the water	power supply	of the	bad
			room temp.	pipe temp.
	too hot	current				pump	too high	overload
			sensor	sensor				cooling

Note:

This unit has a function of automatic restart system after recovering power stoppage. Please contact the sales dealer if it is not required.

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