The following checks prior to contact may save you time and money.
The following checks prior to contact may save you time and money.
Malfunctions
Malfunctions
The unit does not operate if it is
The unit does not operate if it is
The unit does
turned on immediately after it is
The unit does
turned on immediately after it is
not operate
turned off. This is to protect the
not operate
turned off. This is to protect the
unit. Please wait about 3 minutes.
unit. Please wait about 3 minutes.
• Some odours may be emmited
• Some odours may be emmited
from the indoor unit. This is the
from the indoor unit. This is the
result of room smells (such as
result of room smells (such as
furniture, tobacco, etc.) which
Odours are
furniture, tobacco, etc.) which
Odours are
have been taken into the unit.
emitted
have been taken into the unit.
emitted
• Consult authorised service
• Consult authorised service
center for cleaning if the odours
center for cleaning if the odours
persist.
persist.
The swishing noise like water
The swishing noise like water
"Water flowing"
"Water flowing"
flowing is the refrigerant flowing
flowing is the refrigerant flowing
noise
noise
inside the unit.
inside the unit.
During cooling operation, a thin
During cooling operation, a thin
mist may be seen emmited from
mist may be seen emmited from
Mist is
the indoor unit due to high room
Mist is
the indoor unit due to high room
emmited in
temperature and humidity.
emmited in
temperature and humidity.
COOL mode
After a period of time, the mist
COOL mode
After a period of time, the mist
will disappear as the decrease of
will disappear as the decrease of
room temperature and humidity.
room temperature and humidity.
This is the sound of friction
This is the sound of friction
caused by expansion and/or
caused by expansion and/or
Cracking noise
contraction of panel or other
Cracking noise
contraction of panel or other
parts due to the change of
parts due to the change of
temperature.
temperature.
• Is the power cut off?
• Is the power cut off?
• Is the power plug loose?
• Is the power plug loose?
(if applicable)
(if applicable)
• Is the circuit protection device
The unit can
• Is the circuit protection device
The unit can
tripped off?
not be started
tripped off?
not be started
up
• Is voltage higher or lower?
up
• Is voltage higher or lower?
(tested by professionals)
(tested by professionals)
• Is the TIMER correctly used?
• Is the TIMER correctly used?
• Are the batteries exhausted?
• Are the batteries exhausted?
• Is the temperature setting
• Is the temperature setting
appropriate?
appropriate?
• Is the air inlet/outlet blocked?
• Is the air inlet/outlet blocked?
Cooling
Cooling
• Is the filter dirty?
• Is the filter dirty?
/Heating effect
/Heating effect
• Is the door or window open?
• Is the door or window open?
is poor
is poor
• Is low fan speed set?
• Is low fan speed set?
• Are there heat sources in the
• Are there heat sources in the
room?
room?
Do not dispose this product as unsorted municipal waste.
Do not dispose this product as unsorted municipal waste.
Collection of such waste separately for special treatment
Collection of such waste separately for special treatment
is necessary.
is necessary.
Cause
Cause
Malfunctions
Malfunctions
• The humidity is high.
• The humidity is high.
Water leakage
• Condensing water overflows.
Water leakage
• Condensing water overflows.
of indoor unit
• Drain hose is loose or
of indoor unit
• Drain hose is loose or
obstructed.
obstructed.
• During cooling operation, water
• During cooling operation, water
condensates around the pipes
condensates around the pipes
and connection joints.
and connection joints.
Water leakage
Water leakage
• During defrosting operation,
• During defrosting operation,
of outdoor unit
of outdoor unit
thawed water flows out.
thawed water flows out.
• During heating operation, water
• During heating operation, water
on the heat exchanger drips out.
on the heat exchanger drips out.
• The noise emmited when the fan
• The noise emmited when the fan
or compressor relay is switched
or compressor relay is switched
on or off.
on or off.
Noise from
Noise from
• When the defrosting operation
• When the defrosting operation
indoor unit
indoor unit
is started or stopped, there is a
is started or stopped, there is a
sound of refrigerant flowing in
sound of refrigerant flowing in
the reverse direction.
the reverse direction.
• In HEAT mode, when the
• In HEAT mode, when the
temperature of indoor heat
temperature of indoor heat
exchanger is very low, airflow is
exchanger is very low, airflow is
stopped in order to prevent cold
stopped in order to prevent cold
air. (within 2 minutes)
air. (within 2 minutes)
• In HEAT mode, when the
• In HEAT mode, when the
outdoor temperature is low or
outdoor temperature is low or
humidity is high, frost will be
humidity is high, frost will be
formed on the outdoor heat
formed on the outdoor heat
exchanger. The unit will defrost
Indoor unit can
exchanger. The unit will defrost
Indoor unit can
automatically and indoor unit will
not blow air
automatically and indoor unit
not blow air
stop blowing air for 2-3 mintues.
will stop blowing air for several
• During defrosting operation,
mintues.
water or vapour may be
• During defrosting operation,
emmited.
water or vapour may be
• In DEHUMIDIFY mode, the
emmited.
indoor fan will stop blowing air
• In DEHUMIDIFY mode, the
for 3-12 minutes in order to
indoor fan will stop blowing air
avoid condensing water being
for 3-12 minutes in order to
vaporised again.
avoid condensing water being
vaporised again.
If the unit operates at high
Moisture on air
humidity for a long time, moisture
If the unit operates at high
outlet
may be generated on air outlet
Moisture on air
humidity for a long time, moisture
grill and then drip off.
outlet
may be generated on air outlet
grill and then drip off.
It is normal. The unit is in
H1 error code:
defrosting operation and heating
It is normal. The unit is in
defrosting
H1 error code:
will recommence soon.
defrosting operation and heating
defrosting
will recommence soon.
Cause
Cause
21
21