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Check the resistance
value
bet¥Men
the
terminal block 1
and
relay-
6.
1
and
D.
,,-f-
Press hera.
(8)
''!me" "-"""
on tho _ .
(1) Since
does not operate in spite
that
the voltage
is
applied, replace the exhaust valve.
If the voltage is
OV,
(1) Check the connection
of
the
housing
set
W
or
V.
(2) Replace the "PCB set, controlTH
set".
7.6Qfor 3751
L
(12OV), 13.2Qfor 3781L
26.5Qfor 3751L (230V) and 3751.
If
not,
replace the heeler.
(1)
C;;eck.1~' ~)",;"g"'
..
"'b'y
I
3781 CE for connection
and
breakage.
(2) Replace the
relay.
''''''''
OV.
(1) Check the housing assemblyB120 3751
or
8220
3781
or
8230
3781 for conneclion or breakage.
(2) Replace the
Triac.
(3) Replace the "PCB set, controlTH
set".
chamber.
It can
be
restored
If
a "Click" sound
Is
heard.
Check the
Item.
1) - "')
of
·Power is not not .upplied
to
the
If any trouble, correct it
heeler."
- 39-
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