Identifying a defective washing machine lid switch involves observing specific operational anomalies during your laundry cycles. A classic symptom of a bad lid switch is that the washer fills with water completely, but once the fill cycle finishes, it pauses indefinitely or refuses to agitate and spin, often accompanied by a blinking error code on the digital display. To confirm whether the switch is bad, unplug the washing machine from the wall outlet to ensure electrical safety, access the switch housing beneath the top panel, and use a digital multimeter set to continuity mode across the switch terminals while opening and closing the lid. A lack of continuity confirms a failed switch.
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