Troubles Possible Causes
Suggested Remedies
- Water full indicator lamp blinks,
and water tank is full.
Dump the water out of the water
tank.
- Room temperature is higher than
the setting temperature. (Electric
heating mode)
Reset the temperature
1. UNIT DOES NOT START
WHEN PRESSING ON/OFF
BUTTON
- Room temperature is lower than
the setting temperature. (Cooling
mode)
Reset the temperature
- The doors or windows are not
closed.
Make sure all the windows and
doors are closed.
- There are heat sources inside
the room.
Remove the heat sources if
possible
- Exhaust air hose is not
connected or blocked.
Connect or clean the exhaust air
hose.
- Temperature setting is too high. Reset the temperature
2. Not cool enough
- Air inlet is blocked. Clean the air inlet.
3. Auto Power-Off in heating mode - Heating protection, when the
temperature at the air outlet
exceeds 70
O
, the unit will power
off automatically.
Restart the unit at enough lower
room temperature.
- The ground is not level or not flat
enough
Place the unit on a flat, level
ground if possible
4. Noisy operation
- The sound comes from the
flowing of the refrigerant inside the
air conditioner
It is normal.
5. E0 Code Room temperature sensor failed Replace room temperature sensor
(the unit can also work without
replacement.)
6. E1 Code Pipe temperature sensor failed Replace pipe temperature sensor
(the unit can also work without
replacement.)
7. E2 Code Water pump failed. - Restart the unit, and the failure
may disappear.
- Replace water pump.
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