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SERVICE CALL Q & A
Model RAI-25NH5A
RAI-35NH5A
RAI-50NH5A
COOLING MODE
The compressor has
stopped suddenly during
cooling operation.
Sound of running water is heard from
indoor unit during dehumidifying.
Compressor occasionally does not
operate during dehumidifying.
The circulation stops
occasionally during
Heating mode.
When the fan speed is set
at HIGH or MED, the flow
is actually Weak.
Heating operation stops
while the temperature is
preset at "30".
Check if the indoor heat
exchanger is frosted.
Wait for 3-4 minutes
until it is defrosted.
If the air conditioner operates
in cooling mode when it is
cold, the evaporator may get
frosted.
Normal sound when refrigerant flows in pipe.
Compressor may not operate when room
temperature is 10°C or less. It also stops
when the humidity is preset humidity or less.
It occurs during defrost-
ing. Wait for 5-10
minutes until the
condenser is defrosted.
At the beginning of heating,
the fan speed remains
LOW for 30 seconds. If
HIGH is selected, it
switches to LOW and again
to MED after additional 30
seconds.
If temperature is high in
the outdoor, heating
operation may stop to
protect internal devices.
DEHUMIDIFYING MODE
HEATING MODE
Q1
A1
Q2
A2
Q3
A3
Q4
A4
Q5
A5
Q6
A6
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