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Issue
Unit does not turn on when pressing
ON/OFF button
The unit changes from COOUHEAT
mode to FAN mode
The indoor unit emits white mist
Both the indoorand outdoor units
emit white mist
The indoor unit makes noises
Both the indoor unit and outdoor
unit make noises
The outdoor unit makes noises
Dust is emitted from either the indoor
or outdoor unit
The unit emits a bad odor
The fan of the outdoor unit does not
operate
Operation is erratic, unpredictable, or
unit is unresponsive
NOTE: lf problem persists, contact a local dealer or your nearest customer service center. Provide them with
a detailed description of the unit malfunction as well as your model number.
man_SC54-SC60-SC61 ('21) V3.indd 113
man_SC54-SC60-SC61 ('21) V3.indd 113
Possible Causes
The Unit has a 3-minute protection feature that prevents the unit from
overloading. The unit cannot be restarted within three minutes of
being turned off.
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 tempe-
rature
fluctuates again.
In humid regions, a large temperature difference between the room's
air and the conditioned air can cause white mist.
When the unit 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 unit in HEAT mode
due to expansion and contraction of the unit's plastic parts.
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 me-
tal parts caused by temperature changes during operation can cause
squeaking noises.
The unit will make different sounds based on its current operating
mode.
The unit may accumulate dust during extended periods of non-use,
which will be emitted when the unit is turned on. This can be mitiga-
ted by covering the unit during long periods of inactivity.
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.
During operation, the fan speed is controlled to optimize product
operation.
lnterference 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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113
22-11-2021 08:34
22-11-2021 08:34
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