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7. TROUBLESHOOTING
Symptom
Inspection
Solution
The unit is
not
operating.
Check the power
connection in securely.
Insert the power cord
securely into the wall Outlet.
Check if the water level
indicator lights up?
Empty the drain pan by
remove the rubber plug.
Check the room
temperature.
The range of operating
temperature is 5-35℃.
The unit
works with
reduced
capacity.
Check the air filter for dirt.
Clean the air filter as
necessary.
Check if the air duct is
blocked.
To clear the obstacle.
Check if the room door or
window is open.
Keep the door and windows
closed.
Check if the desired
operating mode is selected
and the temperature is
properly set.
Set the mode and
temperature at proper set-
point according the manual.
(refer to page16)
The exhaust hose is
detached.
Make sure the exhaust hose is
securely attached.
Water
Leakage
Overflow while moving the
unit.
Empty the water tank before
transport.
Check if the drain hose is
kinked or bends.
Straighten the hose to avoid a
trap existing.
Excessive
Noise
Check if the unit is securely
positioned.
Place the unit on horizontal
and firm ground.
Check if any loose,
vibrating parts.
Secure and tight the parts.
Noise sounds like water
flowing.
Noise comes from flowing
refrigerant. This is normal.
Error
Codes
E0
Communication faults
between main PCB and
display PCB.
Check the wire harness of the
display PCB for damage.
E1
Ambient temperature
sensor failure
Check connection or replace
it. To clean or replace the
temperature sensor.
E2
Coil temperature sensor
failures.
Check connection or replace
it. To clean or replace the
temperature sensor.
Ft
Condensate water high
level alarm.
Empty the drain pan by
removal the rubber plug.
25
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