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.
●
In DRY mode, the indoor fan will stop blowing air
for 3-12 minutes in order to avoid condens
ate
being vaporised again.
If the unit operates at high humidity for a
long time, moisture will be generated on
the air outlet grill and then drip off.
If any one of the following situations occurs, i
mmediately stop all operations
,
cut off the power supply, and contact the authori
z
ed 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.
●
●
●
●
Troubleshooting
Phenomenon
Troubleshooting
Indoor unit can not blow air:
Moisture on air outlet :
C5: Malfunction of connector jumper: Check if the connector jumper contacts
properly.
If the PCB
is to be replaced,
please take off the old for the new PCB.
●
F1: Malfunction of indoor ambient temperature
sensor
sensor
Check if indoor room temperature sensor is
connected properly
．
●
F2: Malfunction of evaporator temperature Check if the evaporator temperature is
connected properly.
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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