NX100 Troubleshooting Manual
Responding to alarms
Issue 3.2 2016-02-08
Page 1-39
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8. Remove and retain four sets of mounting hardware from the digital AM exciter PWB being
replaced (A11A1 or A11A2).
9. Pull the digital AM exciter PWB away from the control/interface PWB (A11A1). It may be
helpful to gently pry the connector loose with a screwdriver.
10. Install the new digital AM exciter PWB by reversing
Step 8
and
Step 9
.
11. Connect a cable between the replacement digital AM exciter PWB’s RS-232 connector (9-pin
D-sub J3, see
Figure 1.7 on page 1-36
) and a PC.
12. On the digital AM exciter PWB’s
MODE
program header E1 (see
Figure 1.7
), install the
shorting jumper in the
PROGRAM
position (shorting pins 1 and 2). Press
RESET
switch S1,
located directly above E1.
13. Once connected, use the PC to browse to the configuration file saved in
Step 6
by clicking
the
Browse
button next to the
“Please Select a Exciter Configuration file:”
field (see
Figure 1.11
on page 1-40
).