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VISTA-20P keeps showing CHECK on zone 9

Harper (demo) · Oct 17, 2026 · 12:23 AM CT · 3

Demo question. Zone 9 is a wireless contact. Battery is new. Ideas?

Answers

Demo answer. Most AHJs want a dedicated, locked breaker. Check the local amendments.

Emerson (demo) · 3

Demo answer. Put a small switch at the gate fed by fiber. Extenders work but add failure points.

Jules (demo) · 0

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