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4) Check the housing
aet.
5 Trouble with the "PCB
set,
conlrOl
TH ser
e
Trouble with the "PCB s
dis la
'--+-
Pressure sensor
(15) Pressure is low. (E9 occurs.)
Check the housing
set
Y(3751) or (3781), housing
set
X+U(3751) or D+T(3781)
fo~
connection
and breakage. If
Incomplete connecUon or breaKaae
Is
found, correct n.
Re ace
the "PCB
set,
control
TH set".
Re
lace the "PCB
set,
dis I
.. nSOl' " .
I
1) Check the Items 2) and 3)
of
"Abnormally high pressure".
I
If
any trouble Is found, correct It.
(18) Data can not be read from and written in memory. (E10 occurs.)
I
1) Trouble with the "PCB set, conlrOl TH
set.
I
Replaoethe "PCB
set,
control TH set".
,l,.....,.-
Voltage (DC)
p,...+-
Voltage (Ae)
Checking point
Checking point
which
connects
incompl&la
(2) Check the voltage between "+V" and
of
the
power
supply unit
to
make sure that about
W
is outputted.
If
not,
raplace the
po'W'8I"
supply unn.
,correct it.
- 43-
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