Kaisai KCA3U-12 Bedienungsanleitung Seite 21

4. r.
5.
or washing it in warm water with mild
detergent.
A. If using a vacuum cleaner, the inlet side
should face the vacuum.
Fig. 4.3
B. If using water, the inlet side should face
down and away from the water stream.
Fig. 4.4
6.
to air-dry. DO NOT rect
sunlight.
7. r.
8. Reinstall the front grille and reconnect the
display panel cable to the control box on the
main body.
Repairing Refrigerant Leaks
WARNING
If the refrigerant leaks, turn o
•
conditioner and any combustible heating
devices, ventilate the room and call your
dealer immediately. Refrigerant is both toxic
and flammable. DO NOT use the air
conditioner until the leak is repaired.
When the air conditioner is installed in a
•
small room, measures must be taken to
prevent the refrigerant concentration from
exceeding the safety limit in the event of
refrigerant leakage. Concentrated
refrigerant causes a severe health and safety
threat.
Refrigerant Leak Detection System
(some models)
In the event of a refrigerant leak, the LCD
•
screen will display "EC" and the LED indicator
light will flash.
Preparation For Periods Of Non-Use
Maintenance after Extended Non-Use
1. Remove any obstacles blocking the vents of
both the indoor and outdoor units.
2. ront grille of the
indoor
its original position.
3. Turn on the main power switch at least 12
hours prior to operating the unit.
Storing the Unit While Not In Use
1. Run the appliance on FAN mode for 12 hours
in a warm room to dry it and prevent mold.
2. Turn o
3. rding to the instructions
in the previous section. Reinstall the clean, dry
re storing.
4. Remove the batteries from the remote control.
40
Troubleshooting
CAUTIONS
If one of the following conditions occurs, switch o
your dealer for further assistance.
The operation light continues to flash rapidly after the unit has been restarted.
•
The remote control buttons do not work.
•
The unit continually trips fuses or circuit breakers.
•
A foreign object or water enters the air conditioner.
•
The indoor unit leaks.
•
Common Problems
The following symptoms are not a malfunction and in most situations will not require repairs.
Problem
The unit has a 3-minute protection feature that prevents the unit from
overloading. The unit cannot be restarted within three minutes of being
Unit does not
turned o
turn on when
Cooling and Heating Models: If the Operation light and PRE-DEF (Pre-heating/
pressing ON/
Defrost) indicators are lit up, the outdoor temperature is too cold and the unit' s
OFF button
anti-cold wind is activated in order to defrost the unit.
In Cooling-only Models: If the "Fan Only" indicator is lit up, the outdoor
temperature is too cold and the unit' s anti-freeze protection is activated in
order to defrost the unit.
The unit changes its setting to prevent frost from forming on the unit. Once
The unit changes
the temperature increases, the unit will start operating again.
from COOL mode
The set temperature has been reached, at which point the unit turns o
to FAN mode
compressor. The unit will resume operating when the temperature fluctuates
again.
The indoor unit In humid regions, a large temperature di
the conditioned air can cause white mist.
emits white mist
Both the indoor
When the unit restarts in HEAT mode after defrosting, white mist may be
and outdoor units
emitted due to moisture generated from the defrosting process.
emit white mist
A squeaking sound is heard when the system is OFF or in COOL mode. The
The indoor unit noise is also heard when the drain pump (optional) is in operation.
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.
A low hissing sound may occur during operation. This is normal and is caused
Both the indoor
by refrigerant gas flowing through both the indoor and outdoor units.
unit and outdoor
A low hissing sound may be heard when the system starts, has just stopped
unit make noises
running or is defrosting. This noise is normal and is caused by the refrigerant
gas stopping or changing direction.
The outdoor unit
The unit will make di rent sounds based on its current operating mode.
makes noises
5
Possible Causes
rence between the room' s air and
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