Mobile type air conditioners (local air conditioners) / User Manual
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Troubles
Possible causes
Suggest remedies
1. Unit does not start when
pressing on/off button
- P1 appears in the display
window
Drain the water in the bottom
tray.
- Room temperature is lower
than the set temperature.
(Cooling mode)
Reset the temperature.
2. Not cool enough
- The windows or doors in the
room 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 duct is not
connected or blocked.
Connect the duct and make
sure it can function properly.
- Temperature setting is too
high.
Decrease the set temperature.
- Air filter is blocked by dust.
Clean the air filter.
3. Noisy or vibration
- The ground is not level or not
flat enough.
Place the unit on a flat, level
ground if possible.
4. Gurgling sound
- The sound comes from the
flowing of the refrigerant
inside the air-conditioner.
It is normal.
5. Power shut off at
Heating mode
- The automatic over heat
protection function. When
the temperature at the air
outlet exceed 70°C/158°F,
the device will stop.
Switch on again after the unit
has cool down.
10
Troubleshooting tips