User Manual

13
rev0
TROUBLE SHOOTINGS
Symptom Check Points MMeasures to be Taken
● Is the power plug pulled out? ● Insert the plug.
● Is the operation stopped? ● Press ON/ OFF switch, and confirm
the lamp condition.
● Is the fuse cut? ● Change the fuse of electric panel.
● Is the circuit breaker fallen? ● After confirming the load capacity, raise
the circuit breaker of the distribution panel.
● Is the surrounding temperature too high? ● Use it at the place of 113℉ and lower.
(Higher than 113℉)
● Is the voltage too low? ● Request an electricity construction
company for the available rated voltage
● Is the filter clogged with dust? ● Clean the filter (Washing with water is OK.)
● Although the filter is clean, is the heat- ● Clean the heat-exchanger.
exchanger clogged with much dust?
● Is there any obstacle in the in-taking part? ● Remove the obstacle. (Farther than 8inch.)
● Is the set-temperature correctly set? ● For cooling, adjust the set temperature
lower than the ambient temperature.
● Is the water supply cut? ● Confirm the water supply valve is opened.
● Right after the operation stops, is the unit ● Confirm that after 3 minutes, the compressor
started to operate instantly? is normally operated and the cold air is being
discharged.
The operation
is not done.
The cooling
is not well
done.
When white vapor
is generated
during operation.
● Is the unit being used where humidity is high?
● If the humidity is high, much air is
discharged, and white vapor may
be emitted.
When dew is
formed at the
discharging
hole.
● Is the room temperature too high? ● It is a phenomenon that the moisture in
the air is changed into dew, and this is
not abnormal.