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