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EN
www.newair.com 23
TROUBLESHOOTING
Problem
Possible Cause
Solution
1.Unit does not
start when pressing
on/off button
- Water tank is full (check for
blinking water full indicator
light).
Empty the water tank.
- Room temperature is
higher than set temperature
(while in heating mode)
Reset the temperature.
- Room temperature is lower
than set temperature (while
in cooling mode).
Reset the temperature.
2. Unit is not
adequately cooling
the room
- Doors or windows are
open.
Make sure all windows
and doors are closed.
- There are heat sources
inside the room.
Remove the heat sources
if possible.
- Exhaust hose has become
disconnected or blocked.
Reconnect or clean the
exhaust hose.
- Temperature setting is too
high.
Reset the temperature.
- Air inlet is blocked.
Clean the air inlet.
3. The unit is noisy
- The ground is uneven or
not sufficiently level.
Place the unit on flat,
level ground.
- (If the sound is like that of
flowing water) Sound is
coming from the flowing
refrigerant inside the air
conditioner.
This is normal.
4. E0 Code
Room temperature sensor
failed
Replace room
temperature sensor
(note: unit will still work
without replacement).
5. E1 Code
Condenser temperature
sensor failed
Replace condenser
temperature sensor.
6. E2 Code
Water tank full when
cooling
Empty the water tank.
6. E3 Code
Evaporator temperature
sensor failed
Replace evaporator
temperature sensor.
7. E4 Code
Water tank full when
heating
Empty the water tank.
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