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This page has a collection of information that will be helpful in fixing your garage door and door opener.


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Liftmaster / Chamberlain Info: 

Liftmaster and Chamberlain are manufactured by the same company and share almost all parts (gears, remotes, safety photo sensors, etc...).


Download Liftmaster Opener Manuals:  Click Here


Download Chamberlain Opener Manuals:  Click Here


For Liftmaster Circuit Board Information go to this page:  Click Here


Chamberlain / Liftmaster Model Numbers:  Click Here to download a diagram that will show where the label is located with the opener model number.


Chamberlain / Liftmaster Logic Board Fault Codes:  The Learn Indicator LED light on the main circuit board will flash a code that indicates the source of the problem.  Below is a chart that explains what the codes mean.

Number of Flashes on Learn Indicator LED Possible Problem
1 The Protector System wire is broken, or the photo cells are totally misaligned.
2 The Protector System wire is shorted, or the black / white wire is reversed.
3 Door / Wall Control button is shorted.
4 IR sensor slightly misaligned (LED on receiving sensor is dim or flashing)
5 Possible RPM sensor failure, or motor overheating unplug to reset.
6 Motor circuit failure - replace RX/LX board.
Rapid Flash Chamberlain / Liftmaster remote code is being received (the garage door opener may not be programmed to respond)

 

Wayne Dalton Info:

Here is a link to download Wayne Dalton Opener Manuals:  Click Here

 

Genie Opener Info:

Here is a link to download Genie Opener Manuals:  Click Here


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