MMP12 Portable Air Conditioner
2
Troubleshooting
TROUBLES
POSSIBLE CAUSES
SUGGEST REMEDIES
UNIT DOES NOT START WHEN
PRESSING POWER BUTTON
Water full indicator blinks, water tank
is full.
Room temperature is higher than
the set temperature.(Heating mode)
Room temperature is lower than
the set temperature.(Cooling mode)
Dump the water in the water tank.
Reset the temperature.
Reset the temperature.
NOT COOL ENOUGH
The windows or doors in the room
are not closed.
There are heat sources inside the
room.
Exhaust air duct is not connected or
blocked.
Temperature setting is too high.
Air filter is blocked by dust.
Make sure all the windows and
doors are closed.
Remove the heat sources if possible.
Connect the duct and make
sure it can function properly.
Decrease the set temperature.
Clean the air filter.
POWER SHUT OFF AT HEATING
MODE
The automatic over heat protection
function. When the temperature a
the air outlet exceed 70
o
C/158
o
F,the
de vice will st op.
Switch on again after the unit has
cool down.
NOISY OR VIBRATION
The ground is not level or not flat
enough.
Place the unit on a flat, level
ground if possible.
GURGLING SOUND
The sound comes from the flowing
of the refrigerant inside the
air-conditioner.
It is normal.
COMPRESSOR DOES NOT WORK
AND THE DIGITAL DISPLAY AREA
SHOWS P2
The bottom tray is full
Remove the bottom drain plug and
drain the water outside.