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That $2,300 door operator retrofit in Minneapolis was a total bust

Spent 2.5 days swapping in a new controller on a 20-year-old Otis and it still throws a leveling fault every morning. The old relay logic worked fine until I touched it, so I basically paid for my own headache. Anyone else regret chasing modern parts on ancient cars?
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gibson.robert
Damn, did you check the door limit switch or is it just cursed?
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