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Available languages
EN
MEZO
9. TROUBLESHOOTING
Troubles
Unit does not start when
pressing power button
Not cool enough
Auto Power-Off in heating
mode
Noisy
E1 Code
E2 Code
E3 Code
Note: The real products may look different.
Possible Causes
Water full indicator lamp blinks, and
water tank is full.
Room temperature is higher than
the setting temperature. (Electric
heating mode)
Room temperature is lower than
the setting temperature. (Cooling
mode)
The doors or windows are not
closed.
There are heat sources inside the
room.
Exhaust air hose is not connected
or blocked.
Temperature setting is too high.
Air inlet is blocked.
Heating protection, when the
temperature at the air outlet
exceeds 70°C, the unit will power
off automatically.
The ground is not level or not flat
enough
The sound comes from the flowing
of the refrigerant inside the air
conditioner
Room temperature sensor failed
Evaporator coil sensor failed
Water tank full
43
Suggested Remedies
Dump the water out of the water
tank.
Reset the temperature
Reset the temperature
Make sure all the windows and
doors are closed.
Remove the heat sources if
possible
Connect or clean the exhaust air
hose.
Reset the temperature
Clean the air inlet.
Restart the unit at enough lower
room temperature.
Place the unit on a flat, level
ground if possible
It is normal
Replace room temperature
sensor (the unit can also work
without replacement.)
Replace evaporator coil sensor.
Please empty the water tank.
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