01_KS3682_EN.fm Page 17 Friday, February 12, 2010 12:26 PM
TROUBLESHOOTING
If your air conditioner does not work properly, first check the following
points before requesting service. If it still does not work properly,
contact your dealer or service center.
Trouble
Possible Cause
Air conditioner does
1. Power failure.
not run at all.
2. Leakage circuit
breaker tripped.
3. Line voltage is too
low.
4. Batteries in remote
control unit have
run down.
OPERATION lamp
Trouble in system.
blinks and air
conditioner does not
operate.
Compressor runs but
Obstruction in front of
soon stops.
condenser coil.
Poor cooling
1. Dirty or clogged air
performance.
filter.
2. Heat source or
many people in
room.
3. Doors and/or
windows are open.
4. Obstacle near air
intake or air
discharge port.
5. Thermostat is set
too high for
cooling.
Clicking sound is
In cooling operation,
heard from the air
any plastic parts may
conditioner.
shrink due to a
sudden temperature
change. In this event,
a clicking sound may
occur.
OPERATION lamp
The use of cellular
lights but outdoor unit
phones near the air
will not run.
conditioner may
cause disturbance to
its normal operation.
OI-150-17-EG
OPERATING RANGE
The air conditioner is operable within the temperature ranges as
listed below:
Remedy
COOLING
1. Restore power.
2. Contact service
center.
3. Consult your
electrician or
WIRED REMOTE CONTROLLER
dealer.
A separately sold wired remote controller (STK-RCS-
4. Replace batteries.
7TWSUA) used with this air conditioner is also available. If
you wish to use the wired remote control function, you will
need to purchase both the optional wired remote controller
Contact service
center.
and its connection kit (STK-KCW2).
Remove obstruction.
1. Clean air filter to
improve airflow.
2. Eliminate heat
source if possible.
3. Shut them to keep
the heat out.
4. Remove it to
ensure good
airflow.
5. Set the
temperature lower.
This is normal, and
the sound will soon
disappear.
1. Turn off the power
then restart the air
conditioner after a
while.
2. Consult your
dealer.
Temperature
Indoor air
Outdoor air
temperature
temperature
Max.
95 °F DB /
115 °F DB
71 °F WB
Min.
67 °F DB /
0 °F DB
57 °F WB
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