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Question About Chamberlain Garage Door Opener HD400DM
Garage door opener...

Had a 10min. heavy rain/wind/lightening storm and now door will not work..Have checked breaker switches, all good..pressed learner switch on back of opener, no luck. need help.

Asked by Carole Jensen on 12/31/2011 0  Answer

ManualsOnline posted an answer 12 years, 9 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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