27
TROUBLESHOOTING
Troubles Possible Causes Suggested Remedies
The unit
does not
start when
pressing
power
button.
• Water full indicator lamp
blinks and water tank is
full.
• Room temperature is
higher than the setting
temperature. (Electric
heating mode)
• Room temperature is
lower that the setting
temperature. (Cooling
mode)
• Drain the water out of
the water tank.
• Adjust the temperature.
The unit
doesn’t cool
enough.
• The doors or windows
are not closed.
• There are heat sources
inside the room.
• Hot air exhaust hose
is not connected or
blocked.
• Temperature setting is
too high.
• Air inlet is blocked.
• Make sure all the
windows and doors are
closed.
• Remove the heat
sources if possible.
• Connect or clean the
hot air exhaust hose.
• Reset the temperature.
• Clean the air inlet.
Auto Power-
Off in heating
mode.
• Heating protection,
when the temperature
at the air outlet exceeds
70°C, the unit will power
off automatically.
• Allow room temperature
to cool before re-
starting the unit.
Noisy. • The ground is not level
or not at enough.
• The sound comes
from the owing of the
refrigerant inside the air
conditioner.
• Place unit on a at, level
ground if possible.
77.777000.01.001_77.779000.01.001_IM.indd 2777.777000.01.001_77.779000.01.001_IM.indd 27 9-11-2020 09:55:199-11-2020 09:55:19
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