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**Behemot** · 09-12-2021, 04:11 AM

Don't bother with the large caps, those rarely fail (unless there's like 80+ °C and you use for for decades 24/7).

You can try to replace KME with LE, they have slightly lower ESR but still higher than low-ESR series do, that may work OK.

Doesn't the UPS drive the fan by its own regulator?

09-12-2021, 04:11 AM	#45
Behemot Badcaps Veteran Join Date: Dec 2009 City & State: Prague, 50°4'52.22"N, 14°23'30.45"E My Country: CZ Line Voltage: 230 V/50 Hz I'm a: Knowledge Seeker Posts: 4,690	Re: Powerware 9120 Online UPS Don't bother with the large caps, those rarely fail (unless there's like 80+ °C and you use for for decades 24/7). You can try to replace KME with LE, they have slightly lower ESR but still higher than low-ESR series do, that may work OK. Doesn't the UPS drive the fan by its own regulator? __________________ Less jewellery, more gold into electrotech industry! Half of the computer problems is caused by bad contacts Exclusive caps, meters and more! Hardware Insights - power supply reviews and more!