NV5LT/NV3.5LT TROUBLESHOOTING MANUAL
RESPONDING TO ALARMS
VERSION 3.3 2016-03-10
PAGE 4.1.57
Exciter/Control PWB Replacement - Controller
Using
as a guide, replace the controller module’s exciter/control PWB (A4A1) as follows:
Figure 4.1.21: Exciter/Control PWB Location - Controller
1.
Remove the controller module (A4) as described in
“Controller Replacement” on page 4.1.55
2.
Place the controller module on a suitable work surface. Remove the top cover. Retain hardware for
re-installation.
3.
Disconnect all mating plugs from the exciter/control PWB (A1) inside the controller module.
TOP VIEW
(cover removed)
EXCITER/
CONTROL
PWB
A1
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