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THE UNIT SEEMS TO DO LITTLE:
► Are too many windows or doors open?
► Is there something in the room producing lots of humi-
dity?
THE UNIT IS TOO NOISY:
► Check whether the unit is sitting on a level surface.
THE UNIT IS LEAKING:
► Make sure the unit is in good shape.
► If you are not using continuous drainage, make sure the
rubber plug (at the bottom of the unit) is in its position.
Error codes on display
Code Cause Solution
E1 The room temperature sen-
sor (with resin head) is open
or short circuit fault
Checking if the room tem-
perature sensor is plugged
in properly on the PCB.
Replace the room tem-
perature sensor of room
temp.
Replace main PC board.
The humidity level is be-
low RH40%
E2 The system sensor (with
copper head) is open or
short circuit fault
Checking if the system
sensor is plugged in pro-
perly on the PCB.
Replace the system sen-
sor
Replace main PC board.
E3 The Temperature Control
(TC) sensor wire is loosen or
breaks down.
The machine will beep for
3 sounds, the E3 code will
ash on every one second.
The compressor and fan mo-
tor will stop.
Pls check and replace it.
E5 When the TC sensor wire
senses the temperature is >
or = 130oC more than 5 se-
conds, the E5 code will ash
on every second, the machi-
ne will beep for 3 sounds.
The compressor and fan mo-
tor stop.
When it happens, pls
press ON/OFF button on
and off again to check if
E5 signal still exists, if yes,
that means the compres-
sor system is abnormal.
Pls check it and get rid of
the mal-function.
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