Alliance Laundry Systems CA050L - “Door Open” Indicator

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NetMaster Troubleshooting – KT075 Models Only
44.“Door Open” Indicator
“Door Open”
Indicator
Is there
24 volts across
terminals H2-1 and
H2-6 on the
control?
Is
there 24 volts
to the normally open
contact on the
lint drawer
switch?
No
Replace
control.
Yes
Correct the wiring
between the N.O.
terminal on the lint
drawer switch to
terminal H2-1 on
the control.
Yes
Is
there 24 volts
to the output side of
the secondary
fuse?
Yes
Correct the wiring
between the fuse
and the common
terminal of the
door switch.
Is
there 24 volts
to the input side
of the secondary
fuse?
Yes
Check fuse.
Replace if
necessary.
TMB2332S
No
Yes
Correct wiring
between the
transformer and
the fuse.
Is there
24 volts across
terminals 2 and 3
of the transformer
secondary?
No
Is there 24 volts
to the common
terminal of the lint
drawer switch?
Yes
Replace the lint
drawer switch.
Is
there 24 volts
at the normally open
terminal of the door
switch with the door
closed?
Yes
Correct the wiring
between the door
switch and the lint
drawer switch.
No
No
Note: All voltages
are to be measured
to transformer
common, unless
otherwise stated.
(1)
Is
there 24 volts
to the common
terminal of the door
switch?
Check door switch
for proper operation.
Replace if
necessary.
(2)
(3)
(4)
(5)
Is line voltage
present across
terminals 1 and 2 on
the primary side of the
transformer?
Replace
transformer.
Is the
primary fuse
good?
Replace the
primary fuse.
Correct wiring from terminal
block to transformer. Verify
that unit is connected to
power and the power is on.
No
Yes
No
No
Yes
No
No
Yes
(6)
(7)
(8)
(9)
(10)
TMB2332S