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ionized_gw

troubleshoot ups

8 years ago

I have a very old APC UPC. The model is Back-UPS 1250. Note that it is not a PRO or Smart, just a Back-UPS. When unplugged, the audible alert starts to go off but immediately fades out and not power is supplied to the outlets. I understand how these work and I can probably start to test it, but a checklist would be very useful. Note that I have a known good battery hooked up so it is not the charger. It seems like I need to figure out how to check to see if the transfer switch is working and if the inverter is working for starters.

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