Dsc keybus issue

Old 01-10-22, 06:41 PM
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Dsc keybus issue

This happened as I was leaving for vacation and having my brother in law check it out.
it started when I was shutting the water pump breaker off. I accidentally shut off the alarm breaker. When I went upstairs, it acted like the key pad won't power back up. It now has a key bus error saying to call for service. We shut the breaker off for a few minutes and still acts like it won't power up.
Any ideas? I am not sure what the model number is but can have him check
thank you
Old 01-11-22, 12:38 AM
Join Date: Nov 2009
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It always helps to know the model of the Control Panel (not the keypad). The CP lives somewhere in a steel cabinet, usually in a closet or utility area. The model should be on a diagram inside the cabinet door; sometimes printed on the outside of the door.

That being said, the first thing that comes to mind is the Control Panel's battery (12 Sealed Lead-Acid (SLA), either 4 Ah or 7Ah) is very likely dead or so weak it might as well be dead. Those batteries should typically be replaced every 3 to 5 years, more frequently if you have a lot of extended power outages.

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