Kaisai FLY KWX-09 Bedienungsanleitung Seite 33

Issue Possible Causes
A rushing air sound may occur when the louver resets its
position.
The indoor unit
makes noises
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.
Both the indoor Low hissing sound when the system starts, has just stopped
unit and outdoor running, or is defrosting: This noise is normal and is caused by
unit make noises 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 The unit will make di erent sounds based on its current
makes noises operating mode.
Dust is emitted The unit may accumulate dust during extended periods of
from either the non-use, which will be emitted when the unit is turned on.
indoor or outdoor This can be mitigated by covering the unit during long periods
unit of inactivity.
The unit may absorb odors from the environment (such as
furniture, cooking, cigarettes, etc.) which will be emitted
The unit emits a
during operations.
bad odor
The unit' s filters have become moldy and should be cleaned.
The fan of the
During operation, the fan speed is controlled to optimize
outdoor unit does
product operation.
not operate
Interference from cell phone towers and remote boosters may
Operation
cause the unit to malfunction.
is erratic,
In this case, try the following:
unpredictable,
or unit is
Disconnect the power, then reconnect.
•
unresponsive
Press ON/OFF button on remote control to restart operation.
•
If problem persists, contact a local dealer or your nearest customer service
NOTE:
center. Provide them with a detailed description of the unit malfunction as
well as your model number.
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Troubleshooting
When troubles occur, please check the following points before contacting a repair company.
Problem Possible Causes
Temperature setting may
be higher than ambient
room temperature
The heat exchanger on the
indoor or outdoor unit is
dirty
The air lter is dirty
The air inlet or outlet of
either unit is blocked
Doors and windows are
open
Poor Cooling
Performance
Excessive heat is generated
by sunlight
Too many sources of heat
in the room (people,
computers, electronics,
etc.)
Low refrigerant due to leak
or long-term use
SILENCE function is
activated(optional function)
Solution
Lower the temperature setting
Clean the a ected heat exchanger
Remove the filter and clean it
according to instructions
Turn the unit o , remove the
obstruction and turn it back on
Make sure that all doors and
windows are closed while
operating the unit
Close windows and curtains
during periods of high heat or
bright sunshine
Reduce amount of heat sources
Check for leaks, re-seal if
necessary and top o refrigerant
SILENCE function can lower
product performance by reducing
operating frequency. Turn o
SILENCE function.
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