Sometimes when Inductive probes are mounted with metal or close to metal they can respond this way.
Can you show a picture of the mounted probe, and if it close to any metal that could keep the sensor from resetting to open.
It could also be wiring show sensor wiring diagram and sensor type.
Edited 1 time(s). Last edit at 10/01/2018 02:51PM by Roberts_Clif.
Computer Programmer / Electronics Technician