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Hitachi RAK-18PSC Manual De Instrucciones página 45

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  • MEXICANO, página 189
TROUBLESHOOTING (continued)
THE FOLLOWING CASES DOES NOT INDICATE MALFUNCTION
Odors
In heating operation,
(OPERATION) indicator lit
and dim repeatedly
(OPERATION), (CLEAN),
indicators lit after the
operations of cooling,
dehumidifying and dry cool
Hissing or fizzy sound
Squeaking noise
Rustling sound
Clicking sound
Operation sound changes
Mist emission
Steam emitted from outdoor unit
Outdoor unit continues to
operate even if operation is
stopped and
(OPERATION)
indicator blinks
Preset temperature cannot be
reached
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.
Indicates preheating or defrosting operation is underway
Indicates internal cleaning operation is underway.
Refrigerant flow noise in the pipe or valve sound generated when flow rate
is adjusted.
Noise generated when the unit expands or contracts due to temperature
changes.
Noise generated with the indoor unit fan's rpm changing such as operation
start times.
Noise of the motorized valve when the unit is switched on.
Operation noise changes due to power variations according to room
temperature changes.
Mist is generated as the air within the room is suddenly cooled by
conditioned air.
Water generated during defrosting operation evaporates and steam is
emitted.
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).
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.
- 16 -

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