Blue Star HNHW18CA, User Manual

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21
Symptoms Possible Causes
Indoor unit cannot deliver air.
•
In HEAT mode, when the temperature of indoor heat
exchanger is very low, that will stop deliver air in
order to prevent cool air. (Within 2min)
•
In HEAT mode, when the outdoor temperature is low
or high humidity, there are much frost be formed on
the outdoor heat exchanger, that the unit will
automatically defrost, indoor unit stop blowing air for
3-12min. During the defrosting, there is water flowing
out or vapor be produced.
•
In dehumidifying mode, sometimes indoor fan will
stop, in order to avoid condensing water be vaporized
again, restrain temperature rising.
•
If unit is running under the high humidity for a long
time, the moisture will be condensed on the air outlet
grill and drip off.
Moisture on air outlet vent.
Troubleshooting