Troubleshooting
Phenomenon
Troubleshooting
Indoor unit can not blow air:
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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.
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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 condensate
being vaporised again.
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If the unit operates at high humidity for a long
time, moisture will be generated on the air outlet
grill and then drip off.
Moisture on air outlet:
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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.
Check if indoor room temperature sensor is
connected properly.
F1: Malfunction of indoor ambient temperature
sensor
F2: Malfunction of evaporator temperature
sensor
Check if the evaporator temperature is connected
properly.
It is normal.
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Defrosting or oil return mode
The indicating lamp in heat mode will wink 0.5 s
and light 10s.
●
Check if the terminal of the indoor motor is
connected properly.
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H6: Indoor fan block
Replace the fan motor or the indoor board if
disabled.
If any one of the following situations occurs, immediately stop all operations cut off the
power supply, and contact the authorized personnel.
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There is harsh sound during operation.
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Strong odours are emitted during operation.
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Water is leaking from the unit.
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The air switch or protection switch often trips.
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Water or other liquid is splashed into the unit.
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Power cord and power plug is overheating.
Stop operation and cut off the
power supply.
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