Outback x-240 throwing breaker
What is the lifespan on an outback X-240? I've had one in service since 2006 and this week it tripped a 25A breaker for no apparent reason. Currently it always powered, but it's mostly just waiting for something to happen. My well pump and table saw are the 240 appliances I have. I have it wired to one 240V main and one 240V subpanel. Each panel has a single 240V circuit (the pump and the table saw), but approximately half of the 120V circuits in each panel are connected to the X240-generated side of the panel. Other than the pump and table saw, I don't have any big loads. The strange thing is, the breaker was tripped while I was gone. I have online monitoring of my system and know the exact time the breaker was thrown (since my internet router is on the x240 side of the breaker), so I'm confident that neither the pump nor the saw was in use when the breaker was tripped. Alll of my other house loads combined don't add up to 25A, so I'm not sure what happened. Any thoughts?
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