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Water drips from the unit.
Check whether the ambient humidity is too high.
Check whether the indoor outlet airflow foam is wet if water is dripping from the louvers.
Check whether the unit is correctly installed.
Check whether the air outlet foam is installed normally.
Check whether the foam of evaporator base is damaged.
Check whether the drain passage of evaporator is blocked. Replace if failed.
Temperature controller interrupts frequently.
Check whether the set temperature is reached.
Check the wiring.
Check whether the compressor is in the protection mode or 3 minute time delay.
Check the specification of temperature controller. Replace if failed
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Service Manual
Room Air Conditioner with R-410A
Heat Controller, Inc.
25