I had an electrician in in May for something unrelated, and when he was looking at the electrical panel, he noticed a sub panel with two large (soda can) sized capacitors that were feeding from/to a breaker on the main panel. For reasons that don't matter, we decided to turn that breaker off to “see if anything happened” so that I could decide later if I wanted to use that breaker slot (and another open slot) to bring 220v service into my garage to charge my electric car.
Fast forward to now: in the past 6 weeks, we’ve had our microwave AND our refrigerator experience inverter board failures. Our appliance repair man says that the inverter board is a pretty common failure point, and although two appliance inverter board failure are rare, it’s not super-rare. My question is — is it possible that turning off the capacitors to the main panel is doing something to cause inconsistent voltage service to these appliances, and causing the boards to fail? Perhaps a previous homeowner used this capacitor panel to fix some voltage issue that I don't know about, and now that they're off, the problem is back?
And if so (or if maybe), is it safe for me to flip the breaker back on on those capacitors, even though they’ve been unhooked (and maybe discharged) since May? Don't want to risk a fire or malfunction - those capacitors look fierce.
Submitted November 04, 2017 at 05:18AM by jtrope http://ift.tt/2ytcOJy electricians
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