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Room Air Conditioner Troubleshooting
(Continued)
THE AIR CONDITIONER RUNS TOO MUCH
Check if... Then...
Energy Saver is chosen. Inside blower continues operating for one minute to use as much cooling that is
available in the evaporator.
Current Unit replaced an older unit. Newer, higher efficiency Air Conditioner may run longer to cool the room. Total
energy consumption is less due to higher efficiency.
BTU size is too small. A higher capacity unit may be required depending on the size of the room being
cooled. (Page 9)
WATER DRIPPING FROM AIR CONDITIONER - INSIDE ROOM
Check if... IThen..
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Unit is not properly installed. IUnit should be mounted on a 1/4" downward slope to the outside (1/2 bubble on a
Icarpenter's level) to provide proper drainage. Reposition or shim cabinet as
Inecessary. DO NOT drill drain pan.
WATER DRIPPING FROM AIR CONDITIONER - OUTSIDE ROOM
Check if... Then...
Room is hot and humid. Norma operat on dur ng hot and humid days.
THE REMOTE WILL NOT OPERATE AIR CONDITIONER
Check if...
Batteries are not installed properly. IVerify batteries are installed properly. (Page 5)
I
The remote is pointed at the unit. IThe remote may not work properly when used at extreme angles to the front of the
lunit.
TYPICAL AIR CONDITIONER SOUNDS YOU MAY HEAR
Check if... Then...
High pitched whine or pulsating noise that cycles on and off. Compressor - Normal noise due to modern high efficiency compressors. (Page 11)
Rushing air sound. FantMotor - Normal noise of higher efficiency fans pushing air further into the room.
(Page 11)
Condenser - Normal noise of water hitting the condenser to increase energy
Pinging or swishing sounds, efficiency. (Page 11)
Gurgling or hissing sounds. Evaporator - Normal noise of refrigerant passing through evaporation. (Page 11)
Beeping. Electronic Control - Normal noise when electronic control settings are changed.
Vibration. Unit Vibration - Due to poor wall or window construction or incorrect installation.
(Page 11)
Guide
Normal Sounds
Sound of Ru._hin9 Air
At the front of the unit,
you may hear the sound
of rushing air being moved
by the fan.
Gurgle/Hiss
"Gurgling or hissing" noise may
be heard due to refrigerant passing
through evaporator during normal
operation.
High Pitched Whine
Today's high efficiency
compressors may have a
high pitched whine during
the cooling cycle.
Vibration
Unit may vibrate and make
noise because of poor wall
or window construction or
incorrect installation.
(
Pinging or Swishing
Droplets of water hitting
condenser during normal
operation may cause
"pinging or swishing"
sounds.
11