Sharp AY-AP09DJ, AE-A09DJ operation manual Before Calling For Service

BEFORE CALLING FOR SERVICE

The following conditions do not denote equipment malfunctions

UNIT DOES NOT OPERATE	SWISHING NOISE
The unit will not operate if it is turned on	The soft, swishing noise is the sound of
immediately after it is turned off. The unit will not	the refrigerant flowing inside the unit.
operate immediately after the mode is changed.
This is to protect the internal mechanisms. Wait 3	WATER VAPOUR
minutes before operating the unit.
	• In the COOL and DRY operation, wa-
UNIT DOES NOT SEND OUT WARM AIR	ter vapour can sometimes be seen at
	the air outlet due to the difference
The unit is preheating or de-icing.
	between the room air temperature and
	the air discharged by the unit.
ODORS	• In the HEAT operation, water vapour
Carpet and furniture odors that entered into the	may flow out of the outdoor unit dur-
	ing de-icing.
unit and the air conditioner's inner component
odors at the early stage of installation may be
sent out from the unit.	ODOR EMITTED FROM THE
	PLASMACLUSTER AIR OUTLET
CRACKING NOISE
	This is the smell of ozone generated
The unit may produce a cracking noise. This sound
	from the ionizer. Density of the ozone is
is generated by the friction of the front panel and	very little, having no adverse effect over
other components expanding or connecting due to	your health. The ozone released into
a temperature change.	the air will decompose soon, and its den-
	sity in the room will not increase.
A LOW BUZZ NOISE EMITTED
This is a sound emitted when the unit is generating
cluster ions.

If the unit appears to be malfunctioning, check the following points before calling for service.

IF THE UNIT FAILS TO OPERATE

• Check to see if the circuit breaker has tripped or the fuse has blown.

IF THE UNIT FAILS TO COOL (OR HEAT) THE ROOM EFFECTIVELY

Check the filters. If dirty,	Check the outdoor unit to	Check the thermostat is
clean them.	make sure nothing is blocking	proper setting.
	the air inlet or outlet.
Make sure windows and	A large number of people in	Check whether any heat-
doors are closed tightly.	the room can prevent the unit	generating appliances are
	from achieving the desired	operating in the room.
	temperature.

IF THE UNIT FAILS TO RECEIVE THE REMOTE CONTROL SIGNAL

Check whether the remote control batteries have be- come old and weak.

Try to send the signal again with the remote control pointed properly towards the unit’s signal receiver window.

Check whether the remote control batteries are in- stalled with the polarities properly aligned.

Please call for service when OPERATION Lamp and TIMER Lamp on the indicator panel blink.

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