High Photocell Malfunction The light sensor is stuck in the "off" position, preventing the light from ever turning on, or in rare cases, the "on" position. This common issue, where a motion light stays on indefinitely, typically stems from a conflict between the sensor, the switch, or the internal circuitry rather than a single catastrophic failure.
Common Causes When a Motion Sensor Light Stays On Indefinitely
This cycle is managed by a built-in timer and a photocell, which ensures the light only operates during dusk, dawn, or dark conditions. It could be as simple as a timer dial that has been accidentally turned all the way up, or as complex as a fault in the internal relay.
Potential Causes of a Light That Won't Turn Off The reasons a motion sensor light might remain illuminated are varied, but they generally fall into a few distinct categories. Below is a breakdown of the most frequent culprits.
Common Causes for a Motion Sensor Light Staying On
Medium Internal Relay Failure The switch that controls the power to the bulb is welded closed due to overheating or age. Adjust the Timer and Sensitivity If the manual reset does not work, examine the dials or knobs on the fixture.
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