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10. FOLLOWING SYMPTOMS ARE NOT AIR
CONDITIONER TROUBLES
Symptom 1: The system does not operate
The air conditioner does not start immediately after the ON/OFF
button on the roemote controller is pressed.
If the operation lamp lights, the system's functions are noraml.
prevent overloading of the compressor
in normal condition.To
motor, the air
conditioner starts 3 minutes after it is turned ON.
If the operation lamp and the "PRE-DEF indicator(cooling and
heating type) or fan only indicator(cooling only type)" light, it
means you choose the heating model, When just starting, if the
compressor has not started, the indoor unit displays "anti cold
wind" protection
message
Symptom 2: Change into the fan mode during cooling
mode
to prevent the indoor evaporator from frosting, the system
change into to modes automatically, returns to the cooling
mode
soon
after.
When the room temperature drops to the set temperature, the
compressor goes off and the indoor unit changes to fan mode;
when the temperature
increases
is
the
same
for
in the heating mode.
Symptom 3: White mist comes out of a unit
Symptom 3.1: Indoor unit
When the humidity is high during the cooling operation and if the
interior of an indoor unit is extremely contaminated, the temperature
distribution inside a room becomes uneven. It is then necessary to
clean the interior of the indoor unit. Ask your dealer for details on
cleaning the unit. This operation requires a qualified service person.
Symptom 3.2: Indoor unit, outdoor unit
When the humidity is high during the cooling operation and if the
interior of an indoor unit is extremely contaminated, the temperature
distribution inside a room becomes uneven. It is then necessary to
clean the interior of the indoor unit. Ask your dealer for details on
cleaning the unit. This operation requires a qualified service person.
When the system is changed over to
a
defrost operation
, M
oisture generated by defrost becomes
steam and is exhausted.
Symptom 4: Noise of air conditioners cooling
Symptom 4.1: Indoor unit
A continuous low "shah" sound is heard when the system is in
cooling operation or at a stop.
When the drain pump (optional accessories) is in operation,this
noise is heard.
A "pishi-pishi" squeaking sound is heard when the system stops
after a heating operation.
Expansion and contraction of plastic parts caused by
temperature change
produces
Symptom 4.2: Indoor unit, outdoor unit
A continuous low hissing sound is heard when the system is in
operation.
This is the sound of refrigerant gas flowing through both indoor
and outdoor units.
because of its overlow outlet temperature.
, the compressor starts again. It
a
heating operation after
this noise.
A continuous low hissing sound is heard when the system is in
operation.
This is the sound of refrigerant gas flowing through both indoor
and outdoor units.
A hissing sound which is heard at the start or immediately after
stopping operation or defrost operation.
This is the noise of refrigerant caused by flow stop or flow
change.
Symptom 4.3: Outdoor unit
When the tone of operating noise changes.
This noise is caused by the change of frequency.
Symptom 5: Dust comes out of the unit
When the unit is used for the first time in a long time.
This is because dust has gotten into the unit.
Symptom 6: The unit
emits odors
The unit can absorb the smell of rooms, furniture, cigarettes,
etc., and emit them.
Symptom 7: The outdoor unit fan does not spin.
During operation. The speed of the fan is controlled in order to
optimize product operation.
11. TROUBLESHOOTING
8.1
Troubles and causes of air conditioner
If one of the following malfunctions occur, stop
off the power, and contact your dealer.
The operation lamp is flashing rapidly (5Hz).
This lamp is still flashing rapidly after you turn off the power and turn
the power on again. (See in Table 8-1)
Remote controller malfunction or the buttons does not
work well.
A safety device such as a fuse,
Obstacles and water enter the unit.
Water leaks from indoor unit.
Other malfunctions.
If your unit's problem is not among the problems listed,
investigate further using Table 8-2.
8.2
Troubles and causes of remote controller
Before contacting a service professional, check the following points.
(See in Table 8-3)
21
the
operation, shut
or
a breaker frequently actuates.
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