SUA1500i UPS PROBLEM........

Anonymous user · ‎2021-06-29

Hi,
i have a SUA1500i UPS out of warranty and the last days started to do strange things.A few days ago all leds were blinking and the relays inside were crazy!!I tried to turn it off and then on but nothing.Then i decided to open it and solder maybe i was lucky.And yes, after this all seems to be working well,but...the AVR led is always on(i dont remember if it was before opening)and the other thing that is important is that when i switch off the ups for a few minutes and then i try to switch it ON the main fuse of the room is down!!When i turn the fuse on the ups works fine....If someone knows why the main fuse goes off please answer......Thanks a lot....

Anonymous user · ‎2021-06-29

The problem was fixed by itself i dont know what was the cause.But i have another question.Why when i measure the AC outpout voltage is 300volts!!!
When is using battery is normal at 220-230volts but when i plug it in the main the voltage goes 290-300volts and the AVR BOOST LIGHT is always on.Any idea?

See Answer In Context

Anonymous user · ‎2021-06-29

All the LEDS now is working fine,the only thing i am not sure is if the avr led was continious on before.The strange is why when i turn OFF and after a while ON the main fuse of the room goes out.<-----(not always)

Anonymous user · ‎2021-06-29

The problem was fixed by itself i dont know what was the cause.But i have another question.Why when i measure the AC outpout voltage is 300volts!!!
When is using battery is normal at 220-230volts but when i plug it in the main the voltage goes 290-300volts and the AVR BOOST LIGHT is always on.Any idea?