TROUBLESHOOTING
Troubles
1.Unit does not start
when pressing on/off
button
2. Not cool enough
3. Noisy
4. E0 Code
5. E1 Code
6. E2 Code
7. E3 Code
8. E4 Code
Note: The real products may look different.
Possible Causes
• Water full indicator lamp blinks, and
water tray 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. Remove the heat sources if possible
• Exhaust air hose is not connected or
blocked.
• Temperature setting is too high.
• Air inlet is blocked.
• The ground is not level or not fl at
enough
• The sound comes from the fl owing of
the refrigerant inside the air conditioner
Room temperature sensor failed
Condenser temperature sensor failed
Water tray full when cooling
Evaporator temperature sensor failed
Water tray full when heating
Suggested Remedies
Dump the water out of the water tray.
Reset the temperature
Reset the temperature
Make sure all the windows and doors are
closed.
Connect or clean the exhaust air hose.
Reset the temperature
Clean the air inlet.
Place the unit on a fl at, level ground if
possible
It is normal.
Replace room temperature sensor (the unit
can also work without replacement.)
Replace condenser temperature sensor
Take off rubber stopper and empty the
water.
Replace evaporator temperature sensor
Please empty the water tray.
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