Hey , I have problem with my 600va ICE UPS. Today an heavy sparks came on that , when I switched ON the UPS. I have switched ON the UPS again after half an hour . Then , It works . But , I did not ON the PSU . My questions are 1.what causing this sparks in my UPS...? 2.Is it safe to ON my PSU again by using this UPS ..? waiting for your reply . -ROGER -
Ask the UPS seller. Maybe there's something broken or wrong in it. If there's something broken or wrong, ask for replacement. It's uncommon for UPS to make sparks.