Hello, I've purchaced two of my vegabond mini a while ago via a frend in US (I live in Europe). With both of them I had issues like after some time they stop working in a way when all the indicators are glowing, fan is woring, even the inverter can charge the battery but it does not give power out neither for power plug nor to usb. First unit broke relatevly soon just laying on the shelf, another one after a year in the middle of the shooting (I'm not a power user, 2-3 shootings a month for the summer mostly). After second unit broke I brought both of them to company that imports and service all kind of paul c buff (sbf-moscow.ru) and as far as I understand a partner of Paul C. Buff of some kind. Guys there fixed it. I had paid for repair, although quite expensive one - price is comparable with new unit in US. One of those units broke right away, and they re-fiexed it pretty fast, but I had to bring it back to them again. Now, after the winter (one of the units broke again). Again same issue with inverter. Batteries are working fine with another unit. Having some education in electronics this time I've disassembled unit to see what is wrong. There issue is not apparent though. The only thing that looks altered by service guys is this two elements:

and the rubber between those elements and radiator does not look like one comming from factory

So now I'm could only wait for the second inverter unit to fail in the most unconvinient moment and I don't feel comfortable paying for repair that won't likely lasts even several shootings.
I have a few questions:
1) Does it make sence to repair those units again? Maybe it is known issue and there is some data to answer this question?
2) Could it be the issue that have easy fix that can be done without sending to service with certain knowlege in electronics?
3) Is it possible that 230V units are less reliable (or less tested) than 120v units? I use them only for Einsteins so as far as I understand it does not matter which on I'll use (or does the charger is different)?
SN numbers for my inits are v23001513 and v23001514