Before Calling For Service - Sharp AF-W18CME Installation And Operation Manual

BEFORE CALLING FOR SERVlCE
IF YOUR AIR CONDITIONER DOES NOT OPERATE PROPERLY, PLEASE CHECK THE
FOLLOWING ITEMS BEFORE CALLING FOR SERVICE.
AIR CONDITIONER DOES NOT OPERATE AT ALL
• Is the power cord loosened or disconnected?
• Is the fuse blown or has the circuit breaker been tripped?
• Did you restart the unit within 3 minutes after power failure? If the power was off for less than 3 minutes,
and you restart the air conditioner within 3 minutes, a protective device may cause the air conditioner
to shut off, preventing cooling operation for about 5 minutes.
AIR CONDITIONER DOES NOT COOL PROPERLY
Is the filter covered with heavy dirt?
•
Clean the filter and replace it.
Is the temperature setting OK?
•
If your room is too warm, adjust the temperature setting to a lower level.
If your room is too cool, adjust the temperature setting to a higher level.
Is the VENTILATION lever set in the RIGHT (OPEN) position?
•
The lever should be set in the LEFT (CLOSED) position during cooling operation.
Are the windows exposed to direct sunlight?
•
Close curtains or blinds to minimize the heat in the room.
Are the windows or doors open?
•
Close all windows and doors for maximum cooling effect.
THE UNIT FAILS TO RECEIVE THE REMOTE CONTROL SIGNAL
Check whether the remote control batteries have become old and weak.
•
Try to send the signal again with the remote control pointed properly towards the unit's receiver
•
window.
Check whether the remote control batteries are installed with the polarities properly aligned.
•
LEFT / RIGHT AIR FLOW ADJUSTMENT LOUVERS DO NOT SWING
Is the crank shaft fit properly into the louver link?
•
Remove the front panel, and replace it again. Make sure to slide the crank shaft into the
opening of the louver link at the back of the front panel. (See page 18, step5-(3))
TIMER DOES NOT WORK PROPERLY
If power failure occurs while the ON or OFF TIMER is set, the TIMER setting memory will
•
be cancelled and will not be resumed even after power is resumed. You have to reset
them.
FOLLOWINGS ARE NORMAL CONDITIONS OF THIS AIR CONDITIONER
SOUNDS
The sound of the compressor may seem rather loud for 2 to 3 minutes when the unit is turned
•
on. This is the sound of the compressor's start-up and is normal for this unit.
A soft swishing noise can be heard immediately after the unit is turned on or off, and also during
•
operation. This is the sound of the refrigerant flowing inside the unit.
ODORS
• Carpet and furniture odors may enter the unit and be sent out from the unit.
REPLACING THE GRILLE
In case the grille comes off, it can be replaced by following the instructions given in page
•
16 "CAUTION".
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