Troubleshooting; Normal Operating Sounds - Whirlpool ACU124PK0 Installation Instructions And Use & Care Manual

Through-the-wall air conditioner
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Troubleshooting

Listed in the chart below are the most common
problems consumers run into with their air
conditioners. Please read through this chart
before calling for service. It could save you the
cost of a service call.
PROBLEM
Unit won't run.
Unit blows fuses or
trips circuit breaker.
Unit turns on and
off, OR does not
cool room.

Normal operating sounds ...

When your room air conditioner is operating
normally, you will hear sounds such as:
Droplets of water hitting the condenser, causing
a "pinging" or "clicking" sound. Water droplets
help to cool the condenser.
Air movement from the fan, especially on high
fan speed settings.
Clicks from the cooling cycle.
Sounds also may be caused by house construc-
tion – such as vibration of the unit due to wall
construction or unsteady window mounting area.
14
CHECK IF
Power cord is plugged into a live
circuit with proper voltage.
Fuse has blown or circuit breaker has
tripped. Also, check if a time-delay
fuse has been used.
Fan Control is set to OFF.
Local power has failed.
Time-delay fuse being used is of
correct capacity.
An extension cord is being used.
Cooling circuit was turned off and on
again quickly.
Filter is dirty.
Inside evaporator coils and
outside condenser coils are dirty.
There is excessive heat or moisture
in room.
Fan speed is too low.
Thermostat setting is too low.
WHAT TO DO
Firmly plug power cord into
electrical outlet. Check circuit
voltage at fuse/circuit breaker box.
Replace fuse with a time-delay
fuse of the correct capacity. Reset
circuit breaker.
Set Fan Control to another
setting.
Wait for power to be restored.
Replace fuse with a time-delay
fuse of the correct capacity.
Do not use an extension cord with
this or any other appliance.
Wait at least three minutes after
turning cooling circuit off before
trying to restart unit.
Clean filter. (See page 12.)
Clean coils. (See page 13.)
Use exhaust fans to reduce room
heat, or set Exhaust Vent Control
to CLOSED to reduce moisture.
Set Fan Control to a higher
setting.
Set Thermostat Control to a colder
setting.

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