BEFORE CALLING FOR SERVICE
The following conditions do not denote equipment malfunctions
UNIT DOES NOT OPERATESWISHING NOISE
The unit will not operate if it is turned onThe soft, swishing noise is the sound of
immediately after it is turned off. The unit will notthe 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-
ter vapour can sometimes be seen at
UNIT DOES NOT SEND OUT WARM AIRthe 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.
? In the HEAT operation, water vapour
ODORS
may flow out of the outdoor unit dur-
Carpet and furniture odors that entered into theing 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
PLASMACLASTER AIR OUTLET
CRACKING NOISEThis is the smell of ozone generated
from the ionizer. Density of the ozone is
The unit may produce a cracking noise. This soundvery little, having no adverse effect over
is generated by the friction of the front panel and
your health. The ozone released into
other components expanding or connecting due tothe air will decompose soon, and its den-
a temperature change.
sity in the room will not increase.
A LOW BUZZ NOISE EMITTED
This is a sound emitted when the unit is generating
ion clusters.
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.
? Check if the louvre unit is properly installed. All lamps on the indicator panel will blink when
the louvre unit is not properly installed.
IF THE UNIT FAILS TO COOL (OR HEAT) THE ROOM EFFECTIVELY
Check the filters. If dirty,Check the outdoor unit toCheck the thermostat is
clean them.make sure nothing is blockingproper setting.
the air inlet or outlet.
Make sure windows andA large number of people inCheck whether any heat-
doors are closed tightly.the room can prevent the unitgenerating appliances are
from achieving the desiredoperating in the room.
temperature.
IF THE UNIT FAILS TO RECEIVE THE REMOTE CONTROL SIGNAL
Check whether the remoteTry to send the signal againCheck whether the remote
control batteries have be-with the remote controlcontrol batteries are in-
come old and weak.pointed properly towards thestalled with the polarities
unit?s signal receiver window.properly aligned.
Please call for service when OPERATION Lamp and TIMER Lamp on the indicator panel blink.
E-16 |
ACEC
SHARP
