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My Guardian 21230l Door opener light is no working? I have replaced the bulb twice in 7 years, but now nothing happens. Any ideas?

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Trace circuit, back through the wiring, through the switch, and back to the source, using a meter.

Posted on May 04, 2017

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Posted on Jan 02, 2017

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I have a problem with a guardian 21230L garage door opener when you push the button the light flashes but no door movement happens can you help cheers


if your saying that the light on door opener housing is flashing then stopping after a few moments , this is a sign of a fault in door safety's , either the door has to much friction now to move or beam detectors have sensed a problem

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How do I remove the lens cover for the light on a Guardian garage door opener 21230L?


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I have a problem with a guardian 21230L garage door opener when you push the button the light flashes but no door movement happens can you help cheers Tom


I have the same problem. Door does not open or close when press the push button and/or transmitter. The light flashes 5 times. Manually open or close the door is ok. On the manual troubleshoot, it says it's either the opener is overheated or it's on vocation mode. I don't know how to switch of vocation mode. Is it possible the thermal sensor is broken?
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Here to help
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