I am happy to report that while APC-Schneider does nothing to help their old customers about UPS repair services in Europe.
There is some hope at Belarus Minsk, so you to find repair tips and information.
Nothing is as easy as it sounds, your new best friend will be Google translation page -> Russian to English.
But if you are determined enough? Then there is hope for you finding some help.
http://apc-fix.com/forumsAlexei Kobak this is software developer of
APC-Fix, this is diagnostic software for APC UPS.
http://apc-fix.com/apcfixMost significant program feature ( Auto fixing battery constant and problems with "Discharge Battery" message in Power Chute, also low run-time, when you replace batteries by yourself & Accurate calibration )
We are now friends with Alexei, and I am obligated to him, he helped me due special favor by offering to me a used micro-controller (CPU) for my SUA1000XL which was injured by lighting surge to ground (earth) .
Entire UPS this is undamaged but extreme electrostatic charge killed the most sensitive part in it, this micro-controller (CPU) .