Daewoo KOR-804M - Page 43

5. Fuse
If
the
fuse
in
the
primary
monitor
switch
circuit
is
blown
when
the
door
is
opened,
check
the
primary
and
secondary
interlock
switch
and
monitor
switch
before
replacing
the
blown
fuse.
In
case
the
fuse
is
blown
by
an
improper
switch
operation,
replace
the
defective
switch
and
fuse
at
the
same
time.
Replace
just
the
fuse
if
the
switches
operate
normally.
6. Interlock switches
¢
You
can
test
continuity
of
safety
interlock
and
monitor
switch
by
using
ohmmeter.
e
The
switch
peration
is
checked
by
zero/unlimited.
The meter should indicate zero resistance.
¢
The
sequence
of
check
is
interlock
monitor
switch,
primary
and
secondary
interlock
switches
check.
1) In case of interlock monitor switch check.
Condition
1) Door is opened.
2) NC terminal of the monitor
switch disconnected.
Condition
1) Door is closed.
2) No terminal of the monitor switch dis-
connected.
Condition
1) The same as primary interlock
switch check.
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