TROUBLESHOOTING (continued)
Odors
In heating operation,
(HEATING) indicator blinks
Indicates preheating or defrosting operation is underway
(FILTER CLEAN),
indicators lit after the
operations
Indicates
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
(
)
indicator blinks
Auto fresh defrosting is activated (as the heating operation is stopped, the
microcomputer checks frost accumulated in the outdoor 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
Caused as the smells and particles of smoke, food, cosmetics, etc. present in room
air become attached the unit and blown off into the room again.
- 16 -
HEATING
(FROST WASH),
fliter clean or frost wash
