Question about Chamberlain Powerdrive PD422D 1/2 HP Security Plus Screw Drive Garage Door Opener

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Problem with light on unit

Light bulb flickers on right side of unit all the time

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Try unplugging the unit, unscrewing the bulb and with a small scrapping tool (small flat screwdriver) scrap the bottom contact and the contact on the threads. Bend the contact on the threads a little too make better contact with the bulb. Screw the bulb the bulb in completely.

Posted on Jan 08, 2009

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We had he same issue and changed our bulb from a CFC back to a traditional bulb and the problem was solved!

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