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Question About Chamberlain Garage Door Opener 7220
Won't open completely...

(Chamberlain Securty + 1/2 HP chain drive model 7220) The door will stop within one foot of fully open.If I hit the button twice it will sometimes open fully. Sometimes the power fails, the button doesn't work and the lights don't come on. Five minutes later the power comes back on.

Asked by Larry on 09/04/2008 0  Answer

ManualsOnline posted an answer 16 years, 2 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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