Haier HSU-12HQA03/R2(DB) operation manual Trouble shooting

Trouble shooting

Before asking for service, check the following first.

	Phenomenon	Cause or check points
	The system	When unit is stopped, it won't restart
	does not restart	immediately until 3 minutes have
	immediately.	elapsed to protect the system.
		When the electric plug is pulled out
		and reinserted, the protection circuit
		will work for 3 minutes to protect the
		air conditioner.
		During unit operation or at stop,
	Noise is heard	a swishing or gurgling noise may
		be heard.At first 2-3 minutes after
		unit start, this noise is more noticeable.
		(This noise is generated by
		refrigerant flowing in the system.)
		During unit operation, a cracking
		noise may be heard.This noise is
Normal		generated by the casing expanding
		or shrinking because of
Performance		temperature changes.
inspection		Should there be a big noise from
		air flow in unit operation, air
		filter may be too dirty.
	Smells are	This is because the system
		circulates smells from the interior
	generated.	air such as the smell of furniture,
		paint, cigarettes.
	Mist or steam are	During COOL or DRY operation,
	blown out.
		indoor unit may blow out mist.
		This is due to the sudden cooling
		of indoor air.
	In dry mode,fan	In DRY mode, when room temperature
		becomes lower than temp.
	speed can’t be	setting+2 oC,unit will run
	changed.	intermittently at LOW speed
		regardless of FAN setting.
		Is power plug inserted?
		Is there a power failure?
		Is fuse blownout?
		Is the air filter dirty?
	Poor cooling	Normally it should be cleaned
Multiple		every 15 days.
check		Are there any obstacles before
		inlet and outlet?
		Is temperature set correctly?
		Are there some doors or
		windows left open?
		Is there any direct sunlight
		through the window during the
		cooling operation?(Use curtain)
		Are there too much heat sources
		or too many people in the room
		during cooling operation?

Cautions

Do not obstruct or cover the ventilation grille of the air conditoner.Do not put fingers or any other things into the inlet/outlet and swing louver.

Do not allow children to play with the air conditioner.In no case should children be allowed to sit on the outdoor unit.

Specifications

The refrigerating circuit is leak-proof.

The machine is adaptive in following situation

1.Applicable ambient temperature range:

	Indoor	Maximum:D.B/W.B	32oC/23oC
Cooling		Minimum:D.B/W.B	21oC/15oC
	Outdoor	Maximum:D.B/W.B	43oC/26oC
		Minimum: D.B	o
			18 C
	Indoor	Maximum:D.B	27oC
Heating		Minimum: D.B	0 oC
	Outdoor	Maximum:D.B/W.B	24oC/18oC
		Minimum:D.B/W.B -7oC/-8oC
	Outdoor	Maximum:D.B/W.B	24oC/18oC
	(INVERTER)	Minimum:D.B	-15oC

2.If the power supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similar qualified person.

3.If the fuse of indoor unit on PC board is broken,please change it with the type of T. 3.15A/ 250V. If the fuse of outdoor unit is broken,change it with the type of T.25A/250V

4.The wiring method should be in line with the local wiring standard.

5.After installation, the power plug should be easily reached.

6.The waste battery should be disposed properly.

7.The appliance is not intended for use by young children or infirm persons without supervision.

8.Young children should be supervised to ensure that they do not play with the appliance.

9.Please employ the proper power plug,which fit into the power supply cord.

10.A breaker should be incorporated into fixed wiring. The breaker should be all-pole switch and the distance between its two contacts should be not less than 3mm.

11 .The power plug and connecting cable must have acquired the local attestation.

12.In order to protect the units,please turn off the A/C first,and at least 30 seconds later, cutting off the power.

13.Please don't insert any sensor on 3-waystop valve pipe fitting.

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