Service manual

92 800168
Section 5 Service Procedures
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the washer before servicing.
• Never start the washer with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the washer is properly grounded.
W003
WARNING
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
45. MOTOR CONTROL BOARD
a. Unlock control panel. Refer to Figure 17, Step
1.
b. Pull top of control panel away from control
cabinet far enough to allow lifting control panel
up and off the rail support of the control
cabinet. Refer to Figure 17, Step 2.
c. Remove control panel away from control
cabinet as far as wires permit. Refer to
Figure 17, Step 3.
d. Remove two screws holding front of cabinet
top to top front edge of control cabinet front.
Refer to Figure 19.
e. If area or space permits, lift cabinet top to a
vertical position by hinging it on the rear
hinges. Refer to Figure 21.
NOTE: To avoid damage to hinges, be sure to
support cabinet top with a small chain or something
similar. Refer to Figure 21.
IMPORTANT: Due to the sensitivity of the motor
control board, careful handling is required. As a
precautionary measure, we recommend using a
ground wrist strap when handling the motor control
board. Wrist strap, cord and alligator clip are
designed to carry away any electrostatic charge
from your body and to direct charge to an available
ground. By using this static protection device,
potential electrostatic discharge problems
associated with handling of motor control board
will be minimized. Always handle motor control
board by its metal edges. If a wrist strap is not
available, touch washer while it is plugged in before
handling control to dissipate any charge.
NOTE: New control is supplied in a special anti-
static wrapping, and protected by anti-static foam.
While holding control by its metal edges, remove
control from foam and wrapping.
f. Press in on locking tabs and unplug harness
disconnect blocks and all wires from motor
control board.
NOTE: DO NOT pull on wires, instead, hold board
near appropriate disconnect block and unplug by
pulling on disconnect block.
g. Remove four screws holding motor control
board to back of control cabinet wrapper. Refer
to Figure 24.
h. Place old control board in the anti-static
wrapping that new control board was supplied
in.
i. Position the new motor control board on back
of control cabinet wrapper as shown in
Figure 24. Reinstall screws (removed in Step
“g”) and tighten firmly.
j. Follow the wiring diagram and reconnect wires
and harness disconnect blocks to new motor
control board.
IMPORTANT: It is important to take care when
handling the original motor control board. It must
be carefully placed in the anti-static wrapping and
anti-static foam which was removing from new
motor control board. If motor control board is not
wrapped properly, warranty credit will not be
issued.
Figure 24
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2
1
H108SE1A
MOTOR
CONTROL
BOARD
PRESSURE
SWITCH