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© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
5
F232219
Introduction
Model Identification
Information in this manual is applicable to these models:
Introduction
The “B” electronic control is composed of the
electronic control unit and the control fuse board with
wiring harness. Only an authorized person should look
inside the machine. First TURN OFF POWER, open
lid and remove any cover present. Make sure door lock
circuit has fully discharged. The door unlock capacitor
can retain high electrical charge, even when the
machine’s electrical inputs are disconnected, until it
has discharged. Some machines are equipped with an
“amber” indicator light facing upward in the control
compartment. If this is on, wait until it goes off
(indicating when high voltage in the door lock circuit
has discharged).
Electronic Control Unit
This portion of the control contains the “intelligence” –
the micro-controller and the miscellaneous components
on the printed circuit (PC) board. The board has a
metal cover, which MUST be in place at all times
during machine operation. Operation of the machine
without this cover installed will void the warranty.
The control unit monitors and responds to input, gives
information about the status of the washer and
monitors and responds to inputs from the user
interface (keypad). The control provides signals to the
control output unit, which in turn operates the
components that control the machine functions. This is
located behind the machine control panel.
HC20BN2 HC50BN2 HC80BNV SC40BN2 SC60BNF UC30BN2 UC60BN2
HC30BN2 HC60BN2 SC20BN2 SC50BN2 SC80BNV UC40BN2 UC60BNF
HC40BN2 HC60BNF SC30BN2 SC60BN2 UC20BN2 UC50BN2 UC80BNV