LiftMaster 8165 Support Questions

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How Do I Increase The Up And Down Force Manually?
I installed the 8165 Liftmaster operator for a customer in January. The operator had worked fine for...

My Up Yellow Arrow Flashes Fast 3 Times & My Down Yellow Arrow Flashes 2 Times S
What could be the problem? Door goes up about 1 foot then stops, tries to go back down but not all t...

My Up Yellow Arrow Flashes Fast 3 Times & My Down Yellow Arrow Flashes 2 Times S
The flashing arrows on your LiftMaster 8165 garage door opener indicate a diagnostic code of 3 up an...

What Does Error Code 41 Mean? I Have A Person I Can Call, However, Want To Fix
Error code 41: Battery overcurrent.Possible short of the battery charge harness. Check harness. Make...

How Do I Increase The Up And Down Force Manually?
Watch the video link for assistance.hope it will help,thanks

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