dell ups 2700r

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    UPS dead, how do I go about troubleshooting/fix it? (Dell UPS 2700R)

    I got a Dell UPS 2700R (J727N) in 2017 (I got it "for free" when I bought a server rack). At that time, I lived in a small apartment and did not have the fuse (16A) or space (noise-wise) to run it. It did work perfectly back then, and I played around with it for about a week before putting it in...