Post here if you need help with something related to fire alarms
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- Casual Participant
- Posts: 36
- Joined: Thu Mar 29, 2018 5:29 pm
- YouTube Username: AlarmSystemTech
I have my Notifier AMG-1 wired and programmed to my CPU2-640 everything works fine but I have a constant low pitch hum coming from the fire alarm speaker. Any thoughts on how I can fix this?