Alliance Laundry Systems YTEE5ASP173TW01 - No Visible Display on Control

52 806221
Washer Control Troubleshooting
27. No Visible Display on Control
FLW1820S
The electronic control has
no LED functioning on
the control board.
Is the power cord
plugged in?
Plug unit into an
outlet and check
for proper supply
voltage.
No
All display LEDs
are turned off in
Low Power Mode.
Press Power/Cancel
keypad to wake
control.
Yes
No
Yes
(1)
Yes
No
(2) (3)
Yes Yes
There could be
a loose pin in the
connector. Check
wiring between
drive board and
front end control.
Make sure "H1"
connector is
seated properly.
Replace transformer.
(If equipped.)
No
Is
there AC Voltage
across terminals "H1-4"
and "H1-6" on drive
board?
1 2 3
Is
there 12 Volt DC
across terminals "H2-4"
and "H2-5" on
front end
control?
Is
there 12 Volt DC
at "H2-5" and
"H2-4" on drive
board?
Is
there 12 volt DC
at "H2-5" and
"H2-4" on drive
board?
No
(3)
No
4
Is
there less
than 1 Volt DC
at "H2-7" and
"H2-5" on front
end control?
Replace
front end
control.
Is control
in Low Power
Mode?
FLW1820S