Yes, there could be behind the cover - rust, water dampness, accumulated dust and gunk, the wires could be pinched,.....lots of reasons why it isn't working anymore, or just refuses to reset.
I have a home built in 2006, the main panel does not seem to have a main breaker...? See attached pic of the main panel. It's a Siemens G3040 200 amp panel. Outs...
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Yes they do go bad over time. If it won't reset it needs to be replaced.
Yes they can. I would call a professional to change it out.
Yep! Have it tested by someone who knoweth what he doeth, lest it zappeth thee!
Yes, I just replaced one a couple months ago.
Yes, there could be behind the cover - rust, water dampness, accumulated dust and gunk, the wires could be pinched,.....lots of reasons why it isn't working anymore, or just refuses to reset.