Section 4 Service Procedures
WARNING
To reduce the risk of electrical shock, fire, explosion, serious injury or death:
•Disconnect electrical power to the
•Close the gas
•Never start the
•Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the
W461R1
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.
Computer
Board
Control
Panel
CFD10S
Figure 5
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