I'm an American, but find the word "lift" pretty convenient at times!
The "800 pound gorilla" has to be addressed first!
I'd see what got shorted out in the pit, and when that is resolved, try a re-boot.
I know you checked input signals, but there might still be something amiss.
I say that, because I don't know anything about that system, and can only start with very basic stuff.
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