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Heating operation
Air does not come out when
starting a heating operation.
Q6
When starting the operation,
the heat exchanger is cold
and, therefore, the fan is
stopped.
Wait 2–3 minutes.
A6
It is not a trouble. The fan is
stopped to avoid cold wind.
Air does not come out
sometimes while in a heating
operation.
Q7
A7
Defrosting is on. Wait for 5–10
minutes until the outdoor unit
is defrosted.
The fan speed is set to “HI”
or “MED” but the heating
operation starts with a LO fan
speed.
Q8
A8
The heating operation starts
with a LO fan speed for 30
seconds. If the fan speed is set
to HI, the operation starts with
LO fan speed, followed by
MED fan speed for 30
seconds and then by HI fan
speed.
The operation stops during
a heating operation while the
room temperature is set at
“30”.
Q9
A9
If a heating operation is
performed when the exterior
temperature is high, the
operation may stop to protect
the equipment.
The outdoor fan does not
move at a heating operation
by the service switch.
Q10
A10
It is not a trouble.
When heating, the outdoor
fan is stopped to avoid
excessive pressure rise.
Auto fresh defrosting
Heating has been turned off by the main
operation but the “Hot keep lamp” lights and
the outdoor unit operations.
Q11
A11
“Auto fresh defrosting” operates. When
stopping the operation, whether the outdoor
unit is frosted or not is checked and, if in the
affirmative, defrosting is performed before
stopping the operation.
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