Electronics > Repair
Microinverter repair - mystery component identification
Xena E:
--- Quote from: Jeroen3 on September 30, 2024, 07:06:32 am ---Fuses are to prevent fires. There is something else wrong with the unit.
--- End quote ---
Yes, fuses don't 'go wrong', there is a reason it blew, replacing it will just create an incendiary of the next fuse perhaps not immediately, but it will.
Investigate the cause first.
Trailing Edge:
Indeed.
After I replace the fuse, I'll have to be watching for fault currents while I start it up.
Unfortunately the encapsulation makes "snooping" pretty difficult without extensive excavation and dismantling - all likely to do more harm than good.
This microinverter is already scrap, and I am trying to fix it just so that I can have a working spare on hand. For when the next inverter fails. Which is inevitable, it seems.
If my tinkering fails, not a big loss. I just have to proceed carefully.
Trailing Edge:
Looks like Jeroen3 and Xena are right.
Something else is wrong with this unit.
I replaced the fuse, but when I attempted to power it up, it gave no sign of life.
I'll keep searching for another problem.
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