Resetting a LiftMaster 8500W garage door opener depends on whether you are clearing programmed remote controls, resetting Wi-Fi, or clearing travel limits. To clear all programmed remote controls and keypads, press and hold the yellow Learn button on the motor unit for approximately 6 seconds until the adjacent LED indicator light turns off. To reset Wi-Fi network settings, press and hold the Learn button for 10 seconds until you hear a beep and the blue LED flashes. To reset travel limits and force settings, press and hold the adjustment buttons on the control panel until the door cycles through open and close limits. Verification: Test remote controls or network pairing to confirm previous programming has been successfully erased.
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