Radio (closed loop) - On radios that do not have this contact, radio 1 input is wired interrupted during activation t0 ground.
Check wire from alarm control unit plug II, terminal 13, for continuity to ground.
Test Point 16
Radio contact to ground during activation
- Check insulating strip on radio.
- Check wire from alarm control unit plug II, terminal 9, to radio plug, terminal 6, for short to ground.
- Check alarm contact at radio or bracket, respectively.
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