Troubleshooting - Vivax ACP-12CF35AERIs R32 User Manual

Symptom 2: Change into the fan mode during
cooling mode
■ In order to prevent the indoor evaporator frosting, the system
will change into fan mode automatically, restore to the cooling
mode after soon.
■ When the room temperature drops to the set temperature, the
compressor goes off and the indoor unit changes to fan mode;
when the temperature rises up, the compressor starts again. It
is same in the heating mode.
Symptom 3: White mist comes out of a unit
Symptom 3.1: Indoor unit
■ When humidity is high during cooling operation If the interior of
an indoor unit is extremely
distribution inside a room becomes uneven. It is necessary to
clean the interior of the indoor unit. Ask your dealer for details
on cleaning the unit. This operation requires a qualified service
erson
Symptom 3.2: Indoor unit, outdoor unit
■ When the system is changed over to heating operation after
defrost operation Moisture
steam and is exhausted.
Sptom 4: Noise of air conditionerscooling
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 heating operation.
Expansion and contraction
temperature change make this noise.
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.
■ 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 units can give off odours
■ The unit can absorb the smell of rooms, furniture, cigarettes,
etc., and then emit it again.
Symptom 7: The outdoor unit fan does not spin.
■ During operation. The speed of the fan is controlled in order to
optimize product operation.
owner's manual
8
contaminated, the temperature
generated by defrost becomes
of plastic parts caused

8. TROUBLESHOOTING

8.1 Troubles and causes of air conditioner
If one of the following malfunctions occur, stop operation, shut
off the power, and contact with your dealer.
■ The operation lamp is flashing rapidly (5Hz) This lamp is still
flashing rapidly after turn off the power and turn on again.
(See in Table 8-1)
■ Remote controller receives malfunction or the button does not
work well.
■ A safety device such as a fuse, a breaker frequently actuates.
■ Obstacles and water enter the unit.
■ Water leaks from indoor unit.
■ Other malfunctions.
If the system does
mentioned cases or
evident, investigate
procedures. (See in Table 8-2)
8.2 Troubles and causes of remote controller
Before asking for serving or repairing, check the following
points.(See in Table 8-3)
by
not properly operate except
the above mentioned
the system according to
the above
malfunctions is
the following