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What kind of controller is that? Was expecting the usual Inkbird temp controller but that thing is massive.
Lol,. Yeah, at 6 years, I would say the output relays were used past their life expectancy.
This will be the extra added redundancy plan moving forward. Had it shorted to ground my GFCI would've tripped. I caught it before this occurred I believeI get that the redundancy is a fireproof box but would it not have been better to have had a controller or something else in the line to turn off the stuck ink bird.
No, you're right, not normal but it definitely is possible. Depending on how it failed. In HVAC and power generation, I've seen quite a few electronic components have a thermonuclear melt down like that. The itc inkbird user manual says, "If the output relays are used past their life expectancy, contact fusing or burning may occasionally occur. Always consider the application conditions and use the output relays within their rated load and electrical life expectancy. The life expectancy of output relays varies considerably with the output load and switch conditions."I get it that for that long the relays would have some serious wear, but to short out and burn? Normal?
No, you're right, not normal but it definitely is possible. Depending on how it failed. In HVAC and power generation, I've seen quite a few electronic components have a thermonuclear melt down like that. The itc inkbird user manual says, "If the output relays are used past their life expectancy, contact fusing or burning may occasionally occur. Always consider the application conditions and use the output relays within their rated load and electrical life expectancy. The life expectancy of output relays varies considerably with the output load and switch conditions."
This will not answer your question but the controller in the OP is not manufactured by Inkbird, they just relabel it.Could the 306 and 308's suffer the same fate?
I've never seen it, but I haven't looked into it either.Could the 306 and 308's suffer the same fate?