Alliance Laundry Systems HX - Manual (Page 68)

66 9001900
Section 4 Service Procedures
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
To reduce the risk of electrical shock, fire, explosion, serious injury or death:
• Disconnect electrical power to the washer-extractor before servicing it.
• Close the gas shut-off valve to the washer-extractor (when applicable) before servicing it.
• Never start the washer-extractor with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the washer-extractor is properly grounded.
W461R1
WARNING
21. COMPUTER BOARD REMOVAL AND
INSTALLATION
Refer to Figure 5.
REMOVAL
a. Turn off power to the machine.
b. Remove the top cover. Refer to Paragraph 19.
c. Disconnect the wiring harness, ribbon cable, air
tube and ground wire from the computer board.
d. Using a 5 mm nut driver, remove the nuts that
attach the computer board to the control panel.
e. Remove the computer board.
INSTALLATION
a. Position the computer board.
b. Using a 5 mm nut driver, replace the nuts that
attach the computer board to the control panel.
c. Reconnect the wiring harness, ribbon cable, air
tube and ground wire to the computer board.
d. Replace the top cover. Refer to Paragraph 19.
e. Turn on power to the machine.
f. Insert the key into the keymode switch and turn
the switch to “Program.”
g. Set up the machine. Refer to the “Setup of the
Machine” section in the operating manual
supplied with your machine.
h. Calibrate the machine. Refer to the “Calibration
of the Machine” section in the programming
manual supplied with your machine.
i. Insert the key into the keymode switch and turn
the switch to “Run.”
j. Run the machine through Test Cycle 39 to test
the computer board’s function. Refer to
Table 1.
Figure 5
CFD10S
Computer
Board
Control
Panel