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TROUBLESHOOTING
PROBLEM
The appliance does not
start when pressing on/
off button
The appliance changes
from COOL or HEAT to
FAN mode automatically
The indoor or outdoor
appliance are emitting
white mist
The indoor or outdoor
appliance are making
noise
Dust is emitted from the
appliance
The appliance emits a bad
odor
The fan of the outdoor
appliance does not
operate
Operation is erratic,
unpredictable, or
appliance is unresponsive
Poor cooling or heating
performance
The appliance starts and
stops frequently
•
The appliance has a protection feature that prevents it from being turned
back on for 3 minutes after being turned off to avoid overloading
•
Room temperature is lower than the set temperature. (Cooling mode)
•
Room temperature is higher than the set temperature (Heat mode)
•
Power failure
•
A fuse is burned out
•
Remote control batteries have burned out
•
The appliance may change mode to prevent frost from forming on the
internal coils
•
The set temperature has been reached, at which point the compressor
is turned off. The appliance will continue operating when the room
temperature fluctuates from the set temperature
•
In humid regions, a large temperature difference between the room
temperature and the set temperature can cause white mist
•
When the appliance restarts in HEAT mode after defrosting, white mist
may be emitted due to moisture generated from the defrosting process
•
A rushing air sound may occur when the louver resets its position
•
A squeaking sound may occur after running the appliance in HEAT
mode due to the expansion and contraction of internal plastic parts
•
A low hissing sound during operation is normal; this is caused by
refrigerant gas flowing through the appliance
•
The appliance may accumulate dust on the internal components during
long periods of non-use, which will be emitted when the appliance is
turned on
•
The appliance may absorb odors from the surrounding environment,
(cooking smells, animal smells, cigarette smells, etc.) which will be
emitted during operation
•
The filter has become clogged and should be cleaned
•
During operation, the fan speed on the outdoor appliance is controlled
to optimize product efficiency
•
Interference from cell phone towers and remote boosters may cause the
appliance to malfunction. To reset the appliance: disconnect the power
then reconnect and press the power button to restart operation
•
Temperature setting is higher or lower than the ambient room
temperature
•
The outdoor temperature is extremely high or low
•
The air filter is clogged
•
The air inlet or outlet is blocked
•
Doors and windows are open
•
Low refrigerant due to leak or long-term use
•
The heat exchanger is dirty
•
There is too much or too little refrigerant in the system
•
Incompressible gas or moisture has entered the system
•
The voltage is too high or too low
•
The compressor is malfunctioning
POSSIBLE CAUSE
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