Alliance Laundry Systems HX - Manual (Page 28)

26 9001900
Section 3 Troubleshooting
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
5. DOOR LOCK SWITCH ANALYSIS: DISPLAY SHOWS “DOOR ERROR”
CFD1993S
1
The display reads “door error”.
Check
the wiring from the
door terminal on the main
board to the molex plug
(75-165 models only)
and from the molex plug to
the door lock switches and
solenoid. Is the wiring intact
and properly
connected?
YES
2
3
Repair/replace the wiring as
needed.
NO
Is
there voltage (70
Volts AC) between
the white/brown and
white/orange wires
on the top
switch?
Replace the top switch.
YES
Is
there voltage (70
Volts AC) between
the black and red
wires wires on the
solenoid?
NO
Replace the solenoid.
YES
Is
there voltage (70
Volts AC) between the
black and red
terminals on the main
board's door
terminal?
NO
Replace the main board.
NO YES