Hitachi RAC-18YH4, Руководство по обслуживанию

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•
If the unit still fails to operate normally after performing the above inspections, turn the circuit break
er off
, or pull the
power plug out, and contact y
our sales agent immediately
.
Contact y
our sales agent immediatel
y if the
fo
llo
wing phenomena should occur:
•
The circuit break
er s
w
itches off or the fuse b
lo
w
s
frequently
.
•
The s
w
itch oper
ation is not stab
le
.
•
F
oreign matter or w
a
ter accidentally enters the unit inte
ri
or
.
•
The po
w
e
r cord gets e
xcessiv
ely hot or its insulation is tor
n
or str
ipped.
•
TIMER lamp on the indoor unit displa
y b
links
.
As the nature of the f
a
ilure can be identified b
y the b
linking cycle
,
chec
k the b
linking cycle bef
ore tur
n
ing off the circuit break
er
.
(
(
Notes •
In quiet operation
or stopping the r
unning, the f
o
llo
wing phenomena ma
y
occasionally occur
, b
ut the
y are not abnor
mal f
or the operation
.
(1)
Slight flo
wing noise of refr
igerant in the refrigerating cycle
.
(2)
Slight r
u
bbing
noise from the f
an casing which is cooled and then
gra
dually w
a
rm
ed as oper
ation stops
.
•T
he odor will possib
ly be emitted from the room air conditioner because
the v
a
rious odor
, emitted b
y
smok
e
, f
oodstuffs
, cosmetics and so on,
stic
ks to it.
So please clean the air filter and the
e
v
aporator regular
ly to
reduce the odor
.
Noise of the ventilation fan sucking in air present in the drain hose and blowing out dehumidifying w
a
ter that had accumulated
in the condensed w
a
ter collector
. F
o
r
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 b
y conditioned air
.
Wa
ter generated
dur
ing defrosting operation
ev
aporates
and steam is emitted.
Caused as the smells and particles of smoke, food, cosmetics, etc. present in room air become attached the unit and b
lo
wn off into the room again.
Defrosting is underway (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). Sho
ws preheating or defrosting operation is underw
ay
.
As the protective circuit or preheat sensor operates when unit operation is stopped during preheating and then restarted, or when operation mode is switched from cooling to heating, the lamp continues to blink. 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.
•P
lease contact your sales agent immediately if the air conditioner still fails to operate normally after
the abo
v
e
inspections
. Inf
or
m y
our agent of the model of y
our unit, production n
u
mber
, date of
installation.
Please also inf
o
rm
him regarding the f
ault.
Please note: On s
w
itching on the equipment, par
ticular
ly when the room light is dimmed, a slight br
ightness
fluctuation ma
y occur
. T
h
is is of no consequence
.
The conditions of the local P
o
wer Supply Companies are to be obser
v
e
d.
Does not reach the temperature setting
Mist emission
Pe
rk
ing noise
Changing operation noise Steam emitted from the outdoor unit The outdoor unit continues to oper
ate
ev
en if operation is stopped.
Odors The OPERA
TION lamp is b
linking.