11. TROUBLESHOOTING
11.1 COMMON ISSUES AND CAUSES
Unit does not turn on when
pressing the Power button
The Unit has a 3-minute protection feature that prevents the unit from
overloading. The unit will not restart within three minutes of being turned off.
The unit changes from
COOL/HEAT mode to FAN
mode.
The unit may change its setting to prevent frost from forming on the unit.
Once the temperature increases, the unit will start operating in the
previously selected mode again.
The set temperature has been reached, at which point the unit turns off the
compressor. The unit will continue operating when the temperature
The indoor unit emits a white
mist
In humid regions, a large temperature difference between the room's air and
the conditioned air can cause white mist.
Both the indoor and outdoor
units emit white mist
When the unit restarts in HEAT mode after defrosting, white mist may be
emitted due to moisture generated from the defrosting process.
The indoor unit makes noises.
A rushing air sound may occur when the louver resets its position.
A squeaking sound may occur after running the unit in HEAT mode due to
expansion and contraction of
the unit's plastic parts.
Both the indoor unit and outdoor
unit make noises
Low hissing sound during operation. This is normal and is caused by
refrigerant gas flowing through both indoor and outdoor units.
Low hissing sound when the system starts, has just stopped running, or is
defrosting: This noise is normal and is caused by the refrigerant gas
stopping or changing direction.
Squeaking sound: Normal expansion and contraction of
plastic and metal parts caused by temperature changes during operation
can cause squeaking noises.
The outdoor unit makes noises
The unit will make different sounds based on its current operating mode.
Dust is emitted from either the
indoor or outdoor unit
The unit may accumulate dust during extended periods of non-use, which
will be emitted when the unit is turned on. This can be mitigated by covering
the unit during long periods of inactivity.
The unit emits a bad odor
The unit may absorb odors from the environment (such as furniture,
cooking, cigarettes, etc.) which will be emitted during operations.
The unit's filters have become moldy and should be cleaned.
The fan of the outdoor unit does
not operate
During operation, the fan speed is controlled to optimize product operation.
Operation is erratic,
unpredictable, or unit is
unresponsive
Interference from cell phone towers and remote boosters may cause the
unit to malfunction.
In this case, try the following:
• Disconnect the power, then reconnect.
• Press ON/OFF button on remote control to restart operation.
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