Alliance Laundry Systems DTB50CG - Page 82

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Troubleshooting
52. CD Models: No Start With Vend Satisfied and Start Button Pushed
(continued)
240 Volt/60 Hertz/1 Phase Gas Nonreversing
NOTE: All voltage checks are referenced to neutral unless stated otherwise.
NOTE: If motor only runs with start switch pressed in, that means centrifugal switch in motor is bad.
Replace motor.
Is there
voltage to terminal 1
of the control
relay?
TMB2179S-b
Is there
voltage to terminal 1
of the motor?
Correct wiring
between
motor and
start switch.
Does the
motor run?
Replace the
motor.
No
Yes
No
Continued from
previous page
Is there voltage
to terminal 3 of
the control
relay?
Check for
proper
operation.
Replace
control relay if
necessary.
No
Yes
Unit
operational.
Correct wiring to
terminal 1 of the
control relay.
No
Yes
Yes