Hitachi RAC-10WECI, Руководство по обслуживанию

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The LD301 b
links 4 times
.
Switcho
v
er f
ailure
The LD301 b
links 3 times
.
Abnor
mally slo
w rotation
The LD301 b
links twice
P
eak current cut
This is a f
ailure in star
ting up the compressor
.
Chec
k the compressor connectors f
or
looseness and contin
uity
.
The product detected an abnor
mality in the control
of the compressor and stopped its oper
ation.
Either the load ma
y be hea
vy or the dr
iv
e circuit
ma
y be abnor
mal.
The product detected a current abnor
mality in the
compressor and stopped its oper
ation.
Either the
load ma
y be hea
vy or the dr
iv
e circuit ma
y be
abnor
mal.
Y
es
Y
es
Y
es
No No
The LD301 b
links 5 times
.
Ov
er
load lo
w
er limit cut
When cooling:
Is the heat e
xchanger of the outdoor unit clogged up?
Is there shelter around?
When heating:
Is the heat e
xchanger or filter of the indoor unit
clogged up?
?
Is the freezing cycle abnor
mal?
Remo
v
e
the cause of the prob
lem.
Correct the abnor
mal location.
Since the compressor load w
as hea
vy
, the
product w
as stopped.
Ye
s
No
No No
Ye
s
Ye
s
Clear up the causation
Does the service valve open ?
No
Yes
Please open it.
Check the compressor for loose connectors and cord continuity
Abnormal
Correct the abnormal location.
Please check the setting of the leakage breaker.
Normal
Please confirm the
nsulation
of the compressor. and check it Conduct a [self-check]
Abnormal
No
Normal
Change the co
pressor. and check the
outdoor ele. unit.
According to the result of the [ self-check] confirm the break down parts, change it.
m
i