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ATS AP4423 Alarms but no trend log in system of voltage drop
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This question was originally posted on DCIM Support by Shaik Mahboob Ali on 2019-05-14
Hi Experts,
We had serious Alerts from ATS AP4423 multiple time as "The Ability to switch between input sources was restored" & " Source A is now available or a status problem no longer exists" but when we see the ATS log graph , could not find any surge in voltage. Yes with frequency only.
Please see the below Picture from ATS log graph on the time alert triggered and resolved.
Please advise what could have cause these alerts.
This comment was originally posted on DCIM Support by Shaik Mahboob Ali on 2019-05-15
Hi Team,
We have verified with electrical team , As the PQM in campus fed by the same transformers has not noticed this frequency variation, I am not sure how the ATS is detecting it. Can any one let us know what happened.
Please see the PQM snap short
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