Back-UPS ES 750 buzzing

Anonymous user · ‎2021-06-28

woke up this morning with this thing buzzing. Holding down power button wouldn’t turn it off or stop the buzzing. Unplugging would not stop the buzzing. Any ideas??

BillP · ‎2021-06-28

Hi P.J,

I would suggest to brain dead the UPS.

Please follow the steps in this link: https://www.apc.com/us/en/faqs/FA158947/

Regards,

Tom

See Answer In Context

BillP · ‎2021-06-28

Hi P.J,

I would suggest to brain dead the UPS.

Please follow the steps in this link: https://www.apc.com/us/en/faqs/FA158947/

Regards,

Tom

Back-UPS ES 750 buzzing

Back-UPS ES 750 buzzing

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