18
In HEAT mode, when the temperature of indoor
heat exchanger is very low, air flow is stopped
in order to prevent cold air. (Within 2 minutes)
In HEAT mode, when the outdoor temperature
is low or humidity is high, frost will be formed on
the outdoor heat exchanger. The unit will defrost
automatically and indoor unit will stop blowing
air for 3-12 minutes.
During defrosting operation, water or vapour may
be emitted.
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In DRY mode, the indoor fan will stop blowing air
for 3-12 minutes in order to avoid condensing
water being vaporised again.
If any one of the following situations occurs, i
mmediately stop all operations
,
cut off the power supply, and contact the authorized personnel
Strong odours are emitted during operation.
The air switch or protection switch often
trips.
Power cord and power plug is overheating.
n
o
it
a
r
e
p
o
p
o
t
S
and cut off the power supply.
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Troubleshooting
Phenomenon
Troubleshooting
Indoor unit can not blow air:
Moisture on air outlet :
C5:Malfunction of connector jumper:
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F1:Malfunction of indoor ambient temperature
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There is harsh sound during operation.
Water is leaking from the unit.
Water or other liquid is splashed into the unit.
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sensor
sensor
F2:Malfunction of evaporator temperature
H1:Defrosting
Buttons on the cover is unavailable or
insensitive
If the unit operates at high humidity for a
long time, moisture will be generated on
the air outlet grill and then drip off.
Check if the connector jumper contacts
properly. If the PCB is to be replaced,
please take off the old for the new PCB.
Check if indoor room temperature sensor is
connected properly.
Check if the evaporator temperature is
connected properly.
It is normal.
Please check whether the cover is closed
completely.
H6: Indoor fan biock
Check if the terminal of the indoor motor is
connected properly.
Replace the fan motor or the indoor board if
disabled
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