Service manual

100 800170
Section 3 Troubleshooting (EDC Models – Dryer Control)
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
56. ELECTRONIC CONTROL ELECTRIC DRYER — NO MOTOR RUN — “DOOR OPEN”
ANALYSIS
Check main power
to dryer.
Line voltage to
electronic
control board.
Check and replace inoperative
coin drop.
NO MOTOR RUN – – "DOOR OPEN" ANALYSIS
NO NO
Close door.
After checking for
correct wiring,
replace motor.
Check and replace
inoperative wiring
at door switch.
Replace electronic
control board.
If the problem still exists, refer to
these other troubleshooting guides:
"Electronic Control Has No Visible Display"
or "Coins Ignored When Entered".
NO
Open control-voltage check.
GREY "H4-6" to "H4-3".
GREY "H4-1" to "H4-3".
This checks voltage on door
switch coming into control and
input to "K1" motor relay.
Still Flashing
Replace door switch.
YES YES
Display on.
Is the
coin counter
counting down
as coins are
entered in
the drop?
NO NO
YES
YES
Is the
"Door Open"
flashing?
Does
colon flash
and "Push Start"
go off? Does drying
or cool down
display on the
electronic
control?
YES
Check
voltage at
EC control
BROWN "H4-4"
to "H4-3",
Is there
voltage?
NOTE:
This test is based on
the assumption that
the "START" button
has been pressed.
Refer to Operation and
Programming manuals
to review the correct
status the control
should be in after the
vend price has been
satisfied and the "START"
button has been pressed.
Still Flashing
If voltage is present,
replace control.
Still Flashing
Still Flashing
D210S
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