– 18 –
TROUBLESHOOTING (continued)
Odors
Except for anti-mold wasabi cassette, no smell-generating material or
substance is used for air conditioner. This is due to the smell or odor, such
as cigarette, cosmetics and food, present in the room that is sucked in and
then blown out by the air conditioner.
In heating operation,
(OPERATION) indicator lit
and dim repeatedly
Indicates preheating or defrosting operation is underway
(OPERATION), (CLEAN),
indicators lit after the
operations of cooling,
dehumidifying and dry cool
Indicates internal cleaning operation is underway.
Hissing or fizzy sound
Refrigerant flow noise in the pipe or valve sound generated when flow rate
is adjusted.
Squeaking noise
Noise generated when the unit expands or contracts due to temperature
changes.
Rustling sound
Noise generated with the indoor unit fan’s rpm changing such as operation
start times.
Clicking sound
Noise of the motorized valve when the unit is switched on.
Operation sound changes
Operation noise changes due to power variations according to room
temperature changes.
Mist emission
Mist is generated as the air within the room is suddenly cooled by
conditioned air.
Steam emitted from outdoor unit
Water generated during defrosting operation evaporates and steam is
emitted.
Outdoor unit continues to
operate even if operation is
stopped and
(OPERATION)
indicator blinks
Auto fresh defrosting is activated (as the heating operation is stopped, the
microcomputer checks frost accumulated in the indoor unit and instructs
the unit to perform automatic defrosting if necessary).
Preset temperature cannot be
reached
Depending on the number of person in the room and the conditions of
the room, actual room temperature may deviate slightly from the remote
controller’s setting.
THE FOLLOWING CASES DOES NOT INDICATE MALFUNCTION