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OmniPro II "No controller Data" after lightning strike

Subject: OmniPro II "No controller Data" after lightning strike
From: bfschroe <bfschroe@xxxxxxxxx>
Date: Wed, 22 Mar 2017 04:38:16 -0700 (PDT)
Newsgroups: comp.home.automation

I have an OPII with a remote zone board in a pool house. Since a bad storm all keypads are beeping and showing "no controller data" . The 2 indoor zone expander boards status LED are blinking rapidly.

Best guess is a surge on the low voltage comm bus.

Any guidance on where to look to troubleshoot?

Thanks
Bruce Schroeder

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