BCM50 power trouble

[kpzan]

Hello, got a customer with a BCM50 R3.0. Two expansion cabinets. 4x16 module in expansion 1 and DTI in expansion 2.

The alarm log is storing dozens of alarms that say "Power V12 Failed, Power V12 recovered" with different codes like 11.2030, 11.1560, 11.1410 and 11.4840.

The problem resolutiom in the alarm log states "Verify that external power is per operational limits".

Does this mean a BCM50 power supply is going bad? Or is this trouble with AC mains power?

 

[curlycord]

Could be, or the UPS if it has.
At least an easy fix/test.

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http://www.curlycord.com

Toronto, Canada

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[kpzan]

Thanks. The BCM is connected to one of four large UPSs in the customer's telco/data room. I'll start out by connecting the BCM to a different UPS and see if the trouble goes away.