Check the wire harness connections between the upper oven door lock motor and the relay control board when you unplug the range. Fix broken wires and connect loose wires. The door lock switches and the oven control board have wire harness connections. Fix broken wires and connect loose wires. Use a multimeter to measure the resistance of the upper oven door lock motor. You should measure the amount of resistance. If you measure infinite resistance, you should replace the door lock assembly.
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