It is a good idea to check your start gate switches from time to time. Set a timer up in pure time of day mode. Plug one start switch set into the start input. Plug the other into the finish input. Open the gate briskly and see the discrepancy between the two internal switches. Anything greater than a couple of 1000ths should be looked at. It is of course a great idea to use your normal hill wiring and do this from the start.
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