Service manual

112 800170
Section 3 Troubleshooting (MDC Models – Dryer Control)
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
62. NO VISIBLE DISPLAY ON CONTROL – DRYER
Replace the
control.
Correct wiring
between the
transformer and
the control.
Replace the
transformer.
Are
there 24 volts AC
across terminals H1-3
and H1-1 on the
control?
Correct wiring to the
primary of the
transformer. Make
sure the machine is
plugged in and
power is on.
Are
there 24 Volts AC
across the secondary
of the transformer?
Are
there 120 volts AC
to the primary of
the transformer?
(1)
(2)
(3)
NO
YES
YES
YES
NO
NO
NOTE: Refer to wiring
diagram for primary
voltage.
No Display
Dwg. 1
SWD1685S