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Wait required to turn on PC after UPS is turned on?

APC UPS for Home and Office Forum

Schneider Electric support forum for our APC offers including Home Office UPS, Surge Protectors, UTS, software and services and associated products designed to share knowledge, installation, and configuration.

BillP
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Wait required to turn on PC after UPS is turned on?

This question was originally posted by Edward on APC forums on 6/17/2013


Model: APC Back-UPS RS 800VA 120V Black (BR800BLK)

Peripherals on UPS battery backup:

  • Desktop PC
  • powered speakers
  • 23-inch LCD monitor
  • External TV tuner

Power up sequence:

  • Turn on UPS
  • Wait for self-test to finish
  • Turn on desktop PC

Power off sequence:

  • Wait for desktop PC to finish shutting down
  • Turn off UPS

Note the UPS power switch is used to turn on and off all the peripherals except for the desktop PC.

Normally I wait for the UPS to finish its self test before attempting to turn on the desktop PC.

Once in a while I forget and don't wait. Sometimes when I do this the UPS will beep and

indicate that it has failed its self-test. A couple time this has caused the PC to crash (BSOD).

Am I supposed to wait until the UPS has finished with its self test before I power anything on?


Before anyone asks why I am turning the UPS on and off each day I should add that am already

aware of the discussions on this. I turn it on and off because I choose to do so. Also, I know that

APC suggests that I not use the UPS power switch to turn peripherals on and off. Again I do this

as a matter of convenience. This is especially so because I would have to crawl under my desk to

turn the speakers on and off.