En-13
TROUBLESHOOTING
WARNING!
In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off the electrical
breaker or disconnect the power supply plug, and consult authorized service personnel.
Merely turning off the unit’s power switch will not completely disconnect the unit from the power source.
Always be sure to turn off the electrical breaker or disconnect the power supply plug to ensure that
power is completely off.
Before requesting service, perform the following checks:
Symptom
Problem
See Page
NORMAL
FUNCTION
Doesn’t operate
immediately:
●
If the unit is stopped and then immediately started again, the compressor
will not operate for about 3 minutes, in order to prevent fuse blowouts.
●
Whenever the Power Supply Plug is disconnected and then reconnected
to a power outlet, the protection circuit will operate for about 3 minutes,
preventing unit operation during that period.
—
Noise is heard:
●
During operation and immediately after stopping the unit, the sound of
water
fl
owing in the air conditioner’s piping may be heard. Also, noise may
be particularly noticeable for about 2 to 3 minutes after starting operation
(sound of coolant
fl
owing).
●
During operation, a slight squeaking sound may be heard. This is the result
of minute expansion and contraction of the front cover due to temperature
changes.
—
Smells:
●
Some smell may be emitted from the indoor unit. This smell is the result of
room smells (furniture, tobacco, etc.) which have been taken into the air
conditioner.
—
Mist or steam are
emitted:
●
During Cooling or Dry operation, a thin mist may be seen emitted from
the indoor unit. This results from the sudden Cooling of room air by the air
emitted from the air conditioner, resulting in condensation and misting.
—
Air
fl
ow is weak or
stops:
●
The fan may operate at very low speed during Dry operation or when the
unit is monitoring the room’s temperature.
5
●
During SUPER QUIET operation, the fan will operate at very low speed.
5
●
In the monitor AUTO operation, the fan will operate at very low speed.
5
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9315345332-03_OM.indb 13
2/25/2013 10:09:51 AM
2/25/2013 10:09:51 AM