Ma
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troubleshooting
f
Following situations are not product breakdown.
Problem
Cause
When only pump
operates during
winter time or outdoor
temperature is low
Supplying power
Forced pump function to prevent water freezing is
available. (Refer to page 63.)
When compressor
is heated while the
operation stopped
Supplying power
Compressor is heated for starting operation.
When water is dripping
from the product
During operation or after it is
stopped
Dew may be formed on refrigerant pipe depending on
operation condition.
When there is frost on
heat exchanger of the
product
Heating operation
The surface temperature of heat exchanger drops due to
evaporation heat as refrigerant inside the heat exchanger
absorbs heat.
When noise occurs
Continuous noise during
cooling or defrost
The sound might be caused by running gas (refrigerant)
inside the product.
Noise when starting operation
or defrost, or after stopping
the operation
The sound might be caused by the flow stopping or
changing direction.
When different noise occurs
The sound might be different as frequency of compressor
is changing.
When defrost operation
is long
Heating operation
Defrost operation may get longer at most 15 minutes
depending on amount of frost complied on heat
exchanger of the product.
DB68-05916A-09_IM_DVM Chiller Outdoor_EU_EN_.indd 83
2022-05-02 오전 9:00:16
