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ATS (Automatic Transfer Switch) in ICS/CS1 Core site scheduled maintenance

Date(s): January 12, 2021 from 5 - 530AM


Services Affected:

The new ATS that services the ICS/CS1 Core site has encountered an issue that, if left alone, could result in unplanned outages in the future or a failure of the ATS or attached generator. This issue necessitates a reset of the switch to clear the error and make certain that the ATS is functioning properly. Facilities Management must shut off emergency power to the site to be able to safely perform this reset, which will take approximately 20-30 minutes. While emergency power is down, the only protected power source will be the UPS batteries; campus power should not be affected.

We do not expect an outage of any equipment as the reset window is relatively short, but should a situation arise where FM needs to keep power shutdown longer, there are some single-power supply pieces of equipment that could be affected and the owners have been notified.

The work will commence at 5 AM 1/12/21 and should be completed by 30 minutes later at 5:30 AM.

Please contact Alex Giesler at 949-824-9494 or Ken Cooper at 949-824-3704 if you have any questions or concerns.

Service Maintenance Status: Resolved


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