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Stuck for 4 hours on a phantom door lock fault in a 20-year-old hydraulic unit. The limit switch was fine, but the cam adjustment was a quarter-turn off.
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terry_hayes184mo ago
That cam adjustment being a quarter-turn off is a classic head-scratcher. In my experience, it's usually something that small that throws the whole timing sequence off.
3
the_henry5mo ago
Been there. Spent a whole afternoon tracing wires only to find the actuator arm was just barely out of spec.
2