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Question About Chamberlain Garage Door Opener 1255LMCR-2
will not open door...

motor runs but sprocket does not turn and drive the chain. Unit has been in use on a single-stall door since 1997

Asked by chuck on 01/27/2011 1  Answer

ManualsOnline posted an answer 13 years, 8 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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