16
TROUBLESHOOTING TIPS
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSES
SUGGESTED SOLUTION
Unit does not START when
pressing the ON/OFF button
“P1” appears in the display.
Drain the water in the bottom tray.
Room temperature is lower than the set
temperature (Cooling mode).
Reset the temperature.
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.
Noisy or Vibration sound
The ground is not level or not flat
enough.
Place the unit on a flat, level
surface, if possible
Gurgling sound
The sound comes from the flowing of
the refrigerant inside the air conditioner
This is a normal sound
Power shut off at Heating Mode
The automatic over-heat protection
function has initiated. When the
temperature at the air outlet exceeds
158°F (70°C), the device will shut off.
Switch on again after the unit has
cooled down.
Summary of Contents for NPPAC8KW
Page 6: ...5 Names of Parts ...
Page 19: ...19 ...
