Alliance Laundry Systems CA050L - OM and RM Control: No Start With Cycle Selected

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Troubleshooting
22.OM and RM Control: No Start With Cycle Selected, Start Button Pressed
and Door Closed
120 Volt/60 Hertz/1 Phase Gas and Steam Nonreversing
208-240 Volt/60 Hertz/1 or 3 Phase Steam Nonreversing
208-240 Volt/60 Hertz/3 Phase Electric Nonreversing
460-480 Volt/60 Hertz/3 Phase Gas, Electric and Steam Nonreversing
OM and RM Models:
No start with cycle
selected, start button
pressed and door closed
Is there
voltage to the
primary of the
transformer?
Correct wiring
to transformer
primary.
Check fuses.
Is there 24 VAC
across terminals 2
& 3 of transformer
secondary?
Replace
transformer.
Is there
voltage to the
COM terminal
of the door
switch?
Correct wiring
between door
switch and
transformer.
Check fuse.
Is there
voltage to the
N.O. terminal
of the door
switch?
Check door
switch for
proper
operation.
Replace if
necessary.
TMB1893S-a
Is there
voltage to the
COM terminal
of the lint panel
switch?
Correct wiring
between lint
panel switch
and loading
door switch.
Is there
voltage to the
N.O. terminal of
the lint panel
switch?
Check lint
panel switch
for proper
operation.
Replace if
necessary.
Is there
voltage to
terminal H2-8
on the micro
control?
Correct wiring
between micro
control and lint
panel switch.
Is there
voltage at
terminal H2-7
on the micro
control?
Replace micro
control.
No
Yes
No
Yes
No
Yes
No
No
Yes
No
Yes
No
Yes
No
Continued on
next page.
Yes
Yes
TMB1893S-a