Hitachi airHome 400 Manual De Instrucciones página 15

The horizontal defl ector remain open.
Room temperature or humidity may rise.
Depending on situation, Mold Guard will
operate with Fan Mode.
When there would be the window near
indoor unit, the water might condense
on the window during Mold Guard. If
Notes
necessary, to cancel Mold Guard.
When after FrostWash operation, the
water inside the indoor unit evaporates
and depending on the room conditions,
may emitted as steam. But this is not
a malfunction. If necessary, to cancel
Mold-Guard.
■ The following phenomena do not indicate unit
failure.
<Operation start>
During heating,
The unit is preparing to blow warm air.
the operation
Please wait.
indicator blinks
<In operation>
and air blow
The outdoor unit is defrosting. Please
stops
wait.
Refrigerant fl ow noise in the pipe or
valve sound generated when fl ow rate
is adjusted.
Hissing or fi zzy
sounds
Refrigerant flow noise occur during
changes of maximum fan speed to
lowest speed.
Noise generated when the unit expands
Squeaking
or contracts due to temperature changes.
noise
Noise generated with the indoor unit
Rustling noise fan's rpm changing such as operation
start times.
Noise of the motorized valve when the
Clicking noise
unit is switched on.
Noise of the ventilation fan sucking
in air present in the drain hose and
blowing out dehumidifying water that
Perking noise
had accumulated in the condensed
water collector. For details, consult your
sales agent.
Operation noise changes due to power
Changing
variations according to room temperature
operation
changes.
noise
Mist is generated as the air within the
Mist emission room is suddenly cooled by conditioned
air.
Steam emitted Water generated during defrosting
from the operation evaporates and steam is
outdoor unit emitted.
Caused as the smells and particles of
Odors
smoke, food, cosmetics, etc. present in
room air become attached the unit and
blown off into the room again.
Defrosting is underway (as the heating
The outdoor
operation is stopped, the microcomputer
unit continues
to operate checks frost accumulated in the outdoor
even if unit and instructs the unit to perform
operation is automatic defrosting if necessary).
stopped.
Shows preheating or defrosting operation
is underway. As the protective circuit
The
or preheat sensor operates when unit
OPERATION
operation is stopped during preheating
lamp is fl ashing
and then restarted, or when operation
mode is switched from cooling to heating,
the lamp continues to blink.
Actual room temperature may deviate
Does not reach
slightly from the remote controller's
the temperature
temperature setting depending on the
setting
number of people in the room, indoor
or outdoor conditions.
If the unit still fails to operate normally after performing the
above inspections, turn the circuit breaker off and contact
your sales agent immediately.
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 identifi ed by the
blinking cycle, check the blinking cycle before turning
off the circuit breaker.)
(1) Slight fl owing noise of refrigerant in the refrigerating
cycle.
(2) Slight rubbing noise from the fan casing which is cooled
and then gradually warmed as operation stops.
The odor will possibly be emitted from the room air
●
conditioner because the various odor, emitted by smoke,
foodstuffs, cosmetics and so on, sticks to it. So the pre-fi lter
and the evaporator regularly must be cleaned to reduce the
odor.
Please contact your sales agent immediately if the air conditioner
still fails to operate normally after the above inspections. Inform
your agent of the model of your unit, production number, date of
installation. Please also inform him regarding the fault.
Please note:
On switching on the equipment, particularly when the room
light is dimmed, a slight brightness fl uctuation may occur.
This is of no consequence.
The conditions of the local Power Supply Companies are
to be observed.
– 15 –
Notes
In quiet operation or stopping the
●
operation, the following phenomena
may occassionally occur, but they are
not abnormal for the operation.