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SERVICE CALL Q & A
While cooling, the compres-
sor sometimes stops
abruptly.
Q1
Check whether frost sticks on
the heat exchanger of indoor
unit or not.
Wait for 3-4 minutes until the
frost melts.
A1
If cooling is performed when
the room temperature is low,
frost may stick on the heat
exchanger of indoor unit.
Cooling operation
The fan speed does not
change during a dehumidify-
ing operation.
Q2
Dehumidifying operation
The fan speed is always LO
at a dehumidifying operation.
A2
Cold air comes out during a
dehumidifying operation.
Q3
To improve the dehumidi-
fication efficiency, LO fan
speed operation is per-
formed. Therefore the air is
cold. This is not a trouble.
A3
The operation does not stop
even by raising the room
temperature setting of re-
mote control at a dehumidi-
fying operation.
Q4
At a dehumidifying operation,
the actual room temperature is
compared with the room tem-
perature setting when starting
the operation and the opera-
tion is as follows.
1) When actual room tem-
perature > room tempera-
ture setting.
The operation is according
to the room temperature
setting on the remote con-
troller.
2) * When actual room tem-
perature < room tempera-
ture setting
Regardless of the room
temperature setting, the
temperature is automati-
cally set slightly lower than
the room temperature.
In this case, the status is as
2) and, therefore, the opera-
tion by the room temperature
control is impossible. Turn off
the On / OFF switch, set the
room temperature to a new
value and turn on the opera-
tion by the On / Off button.
A4
In the dehumidifying mode,
the temperature set by
remote controller is set
slightly higher than the room
temperature but the
operation starts.
Q5
This is the status in 2) of
(A4). The temperature is set
a little lower than the room
temperature to carry out a
dehumidifying operation as
far as possible.
A5
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