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18
Chart I : Failure and maintenance
Note: This instructional is for reference purpose only. If any technical
assistance is needed, please call distributor’s office for service /repair.
Phenomena
Causes
Solutions
Abnormal
function
Incorrect connection the
power supply or power
cut
Measure the input end and connect
accordingly
Open circuit to protect
the switch
Reset electric relay by hand
Indoor controller box
connect wrongly with the
outdoor unit or open
circuit
Survey every endpoint of the
controller when electrify on=220V
off=0V
Motor wiring relaxed
check the motor wireless connection
Motor failure
Check if the motor bearing or
wireless burnt
Bad cooling
effect
The problem with water
supply cannot provide
the normal water level.
Check the water supply pipe is clear,
the water pressure is enough, the
valve is open
There’s no suitable air
outlet on the place need
to be cooled.
Open the windows and doors make
sure there’s a way to push the cold
air.
The power is too small
Change to the bigger power unit or
add the cooler instead.
The filter net built up
Clean it or change the new one
Water shortage in the
filter net
Check if the pump work normally
The air moisture is too
high outside
The cooling effect is not good if the
moisture is too high
