Hi,

 after  an electric event I have a Dell Ups Rack 1920W that does not turn on:

- do not turn on the display

- do not turn the fans.

I also tried to disconnect the batteries but does not change anything. What other tests can I do before I declare it definitively dead?

Thanks Matteo

https://www.dell.com/community/Forum-di-Supporto-in-Italiano/DELL-UPS-RACK-1920W-Non-si-accende/m-p/6224398