Question about Chamberlain Powerdrive PD422D 1/2 HP Security Plus Screw Drive Garage Door Opener
How to correct the problem yourself before replacing parts?
Unplug the operator for 2 mins.and remove the wires to the wall control. plug the operator back in if the operator starts running the logic board is most likely fried (bad) and should be replaced.
Posted on Jan 02, 2009
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Posted on Jan 02, 2017
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