Hitachi RAC-10WECI, Service Manual

Page: 99 / 113

The LD301 b
links 12 times
F
an loc
k stopped
The LD301 b
links 11 times
.
F
an stopped due to a strong wind
It is a pause due to a strong wind.
As the wind
w
eak
ens
, the product will star
t again.
The product detected an abnor
mality in the
outdoor f
an and stopped its oper
ation.
P
ossib
le
causes include a pause due to a strong wind, foreign matter in the f
an, abnor
mality in the f
an
motor
, and abnor
mality in the dr
iv
e circuit.
Chec
k if the f
an is clear of f
oreign
matter and abnor
malities
.
Remo
v
e
all f
oreign matter
.
If the f
an is abnor
mal, replace the
fan.
Is the wind too strong? Chec
k if the product can restar
t all
right.
(It tak
es se
v
e
ral min
utes f
or
it to star
t again.)
This is not a sign of a f
ailure in the
outdoor f
an motor or outdoor electr
ical
par
ts
.
After restar
ting,
the product will run contin
uously
.
It stops
Chec
k the outdoor f
an motor
. (F
or details
, see
the page on the outdoor f
an motor or the
instr
uction plate on the lid of the electr
ical
par
ts
.) Is the outdoor f
an motor abnor
mal?
F
an motor
abnor
mal
Replace the outdoor f
an motor
.
F
an motor nor
mal
Replace the outdoor electr
ical
par
ts (in the case of an
abnor
mality in the dr
iv
e circuit of the
outdoor f
an).
Chec
k the f
an motor f
or loose
connectors
.
Inser
t the connector
.
Y
es
Y
es
The LD301 blinks 14 times
Change the outdoor ele. unit.
The creepage breaker have already set?
Y
es
Q601,Q602
have malfunction
No No
Abnor
mal
Does the compressor insulation OK?
Change the compressor and then check the outdoor ele. unit .
Abnor
mal
Abnor
mal
Nor
mal
Nor
mal
Nor
mal
Change the outdoor ele. unit.
Q601,Q602 abnormal
No
Y
es
(RAC-50WEC/RAC-20WECI only)
Active voltage abnormal