Download a free Liftmaster garage door opener manual. While you are at it, you may want to consider a new Liftmaster garage door opener, especially if yours was manufactured prior to 1993 when the new Federal safety standards were implemented.
The LiftMaster K1A6837 Logic 4 circuit board is compatible with all HP and voltage LiftMaster commercial operators. To ensure the LiftMaster K1A6837 circuit board is compatible with your commercial system, it is important to reference the Chamberlain LiftMaster Circuit Board Compatibility Chart. Or close buttons on LiftMaster’s standard 3-button control station, limit switches and standard relay outputs. If the green “POWER” LED does not turn on, the transformer may not be working correctly. Verify primary voltage feeding the transformer by checking: Logic 3.0 and Logic 4.0 - White and Brown wires. Logic 5.0 - Common.
For other manuals and user guides, return to our main garage door opener manual page.
If you have lost one of your remotes, or you need an extra one for a new driver in the family, you can find brand-specific as well as universal garage door remotes for most models.
Many Liftmaster manuals offer English and Spanish reading options. Check the list below for your preference.
Liftmaster Logic 5 Installation Manual
One thing to keep in mind when searching for your manual is the age of your Liftmaster opener. Beginning in 1993, Federal safety standards required that all garage door openers include an anti-entrapment feature, like the infrared garage door sensors found on most modern models.
As a result of the change in safety standards, many manufacturers have been deleting pre-1993 manuals from what they offer. Before you try to salvage an old opener, read these 6 reasons to consider garage door opener replacement.
The information available in most manuals includes the following:
Safety Precautions (please read)
Troubleshooting garage door opener problems
Assembly and Installation
Programming, Adjustment and Maintenance
Liftmaster Garage Door Opener Parts
We will do our very best to continue offering as many Liftmaster garage door opener manuals as are available. We are archiving older manuals to preserve access.
If you need a Liftmaster garage door opener manual, check the list below for your model number. If yours is getting old and tired, consider a new Liftmaster garage door opener. For other manuals and user guides, return to our main garage door opener manual page.
Liftmaster Garage Door Opener Manuals
Belt Drive Garage Door Opener Models (learn more about current Liftmaster models)
Liftmaster Model 1280R (takes you to download page)
Liftmaster Model 3850 (takes you to download page)
Liftmaster Model 3850-267 (takes you to download page)
Liftmaster Model 3850-390 (takes you to download page)
Liftmaster Model 3850PC (takes you to download page)
Liftmaster Model 3585 (takes you to download page)
Liftmaster Model 3585C (takes you to download page)
Liftmaster Model 3585S (takes you to download page)
Liftmaster Model 3585CS (takes you to download page)
Liftmaster Model 3280 (takes you to download page)
Liftmaster Model 3280-267 (takes you to download page)
Liftmaster Model 3280C (takes you to download page)
Liftmaster Model 3280-267C (takes you to download page)
Liftmaster Model 3280M (takes you to download page)
Liftmaster Model 3280M-267 (takes you to download page)
Liftmaster Model 3280CM (takes you to download page)
Liftmaster Model 3280CM-267 (takes you to download page)
Chain Drive Garage Door Opener Models (learn more about current Liftmaster models)
Liftmaster Model 1245 & 1255 (takes you to download page)
Liftmaster Model 1265 & 1265-267 (takes you to download page)
Liftmaster 1345 (Model Series 1300)
Liftmaster Model 1345C (takes you to download page)
Liftmaster 1345M (Model Series 1300)
Liftmaster 1346 (Model Series 1300)
Liftmaster 1346M (Model Series 1300)
Liftmaster 1355 (Model Series 1300)
Liftmaster 1356 (Model Series 1300)
Liftmaster Model 1355C (takes you to download page)
Liftmaster 1355M (Model Series 1300)
Liftmaster 1356M (Model Series 1300)
Liftmaster Model 3245 (takes you to download page)
Liftmaster Model 3245C (takes you to download page)
Liftmaster Model 3245M (takes you to download page)
Liftmaster Model 3255 (takes you to download page)
Liftmaster Model 3255-2 (takes you to download page)
Liftmaster Model 3255C (takes you to download page)
Liftmaster Model 3255-2C (takes you to download page)
Liftmaster Model 3255M (takes you to download page)
Liftmaster Model 3255-2M (takes you to download page)
Screw Drive Garage Door Opener Models (learn more about current Liftmaster models)
Residential Jackshaft Garage Door Opener Models (learn more about current Liftmaster models)
If you don’t see your garage door opener model listed above, please contact us to let us know. We will do our best to track it down for you.
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If you need a garage door to go with your opener, be sure to visit our overhead garage door information page to help you choose. This website is loaded with helpful information on building, fixing and organizing your garage.