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18
TROUBLESHOOTING
First try the solutions suggested here to avoid the possible cost of a service call.
Trouble
Cause
Solution
The unit fails to start up.
Power supply failure
Connect the unit to a live socket and
turn it on.
Water is full and its icon lights up.
Drain the water stored in the unit.
The ambient temperature is too low or too
high.
It is recommended to use this unit
between 41
－
95
℉
.
The room temperature is lower than the set
temperature in cooling mode or higher in
heating mode.
Change the set temperature.
Bad cooling or heating
effects
There is direct sunlight.
Close the window curtain.
The doors and windows are open, the room is
crowded or there are other heat sources.
Close the door and window, remove
other heat sources, and add new
air-conditioners.
Dirty filter
Clean or replace the filter mesh.
The air inlet or air outlet is clogged.
Remove the obstruction.
High noise level
The unit is being placed at an uneven surface.
Put the unit at a flat and firm place
( which may reduce the noise).
The compressor does not
work.
Initiation of the overheat protection
Wait for 3 minutes until the
temperature decreases. The unit will
restart automatically.
The remote control does
not work.
Distance is too far between the remote and
the signal receptor.
Bring the remote control close to the air
conditioner and ensure it aims at the
signal receptor.
The remote control doesn’t aim at the signal
receptor on the unit.
The batteries have no electricity.
Replace the batteries.
“E1” code is displayed.
Room temperature sensor failure
Contact customer service & repair
center
“E2” code is displayed.
Tube temperature sensor failure
Contact customer service & repair
center.
Water full is displayed.
The water tank in chassis is full.
Drain the condensate and restart the
unit.
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