Helpful Information: |
This page is a collection of information that we thought would be helpful for anyone that is working on their garage door or garage door opener. We will be adding information here on a regular basis. Hopefully this will be a valuable resource for everyone, please bookmark it for your future use. If you have any suggestions for information to add, please E-mail us your suggestion (Click Here to E-mail).
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Liftmaster and Chamberlain are manufactured by the same company and share almost all parts (gears, remotes, 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) |
Here is a link to download Wayne Dalton Opener Manuals: Click Here
Here is a link to download Genie Opener Manuals: Click Here
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