Underhill ICC Decoder Module Troubleshooting Guide
6
If the Decoder Module does not operate after attempting both steps (a) and (b),
then the Decoder Module is damaged and should be replaced. The Underhill
p/n is TW-‐IC-‐48 and can be ordered on-‐line or through your preferred local
distributor.
2)
Is a #8 or #10 bare copper wire terminated in the “Ground” terminal to a
ground rod or ground plate if only the ICC Decoder Module is installed?
If the ICC controller is being used with both a Hunter station module(s) and an
ICC Decoder module is a ground wire connected to both a ground rod or ground
plate and to the “GND” connector on the Hunter module directly about the ICC
controller transformer?
Ground wire
to ground rod
or ground
plate
Brass tab