Hitachi RAS-E35YCAB Manual page 22

(FROST WASH),
indicators lit after the
operations
Hissing or fizzy sounds
Squeaking noise
Rustling noise
Clicking noise
Perking noise
Changing operation noise
Mist emission
Odors
Does not reach the temperature
setting
• If the unit still fails to operate
normally after performing the
above inspections, turn the
circuit breaker off, or pull the
power plug out, and contact
your sales agent immediately.
lndicates frost wash or Auto Clean 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.
Noise of the ventilation fan sucking in air present in the drain hose and blowing out
dehumidifying water that had accumulated in the condensed water collector. For
details, consult your sales agent.
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.
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.
Actual room temperature may deviate slightly from the remote controller's
temperature setting depending on the number of people in the room, indoor or
outdoor conditions.
Contact your sales agent immediately if the
following phenomena should occur:
• The circuit breaker switches off or the fuse blows
frequently.
• The switch operation is not stable.
• Foreign matter or water accidentally enters the unit interior.
• The power cord gets excessively hot or its insulation is torn or stripped.
• TIMER lamp on the indoor unit display blinks.
(
As the nature of the failure can be identified by the blinking cycle,
check the blinking cycle before turning off the circuit breaker.
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