Service
7-22
Part 1120130
E 2011 Nordson Corporation
Main PCA Board (contd)
6. If 100‐ohm platinum sensors are present on the melter:
a. Go to System>Administration>RTD Options and select Pt100.
NOTE: For 120‐ohm nickel melters, temperature sensor jumpers are
not required in this location, as shown in Figure 7‐14.
b. Locate the JP1 terminal on the replacement board.
c. Install one of the jumpers removed from the old board between
terminals 1 and 2.
d. Install the second jumper between terminals 5 and 6. Figure 7‐13
shows the jumpers installed.
Figure 7-13 100-ohm platinum melter—jumpers installed
Figure 7-14 120-ohm nickel melter—no jumpers installed
7. Install the replacement board inside the melter electrical enclosure using
the fastening screws removed previously.
8. Reconnect all of the power and control cables to the replacement board
and close the electrical access panel.
9. Restore power to the melter and switch the melter on. Verify that the
melter starts normally.
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