Garage Door Opener: Won't open or close all the way
When a garage door doesn't open or close all the way, first check the opener alignment and adjust if needed. A misaligned garage door opener may cause the door or trolley to bind up-causing the opener to stop or reverse because opening or closing force exceeded the opener's force limit. Watch this video for more details and troubleshooting regarding force limits.
In some cases, inaccurate travel limits are the problem. Adjust the travel limit settings, following the instructions in your owner's manual. If you can't adjust the travel limits, you may need to replace the travel limit switches or the logic board.
Adjust and align the garage door opener
When the garage door opener doesn't work operate properly, check the alignment of the motor unit and/or the rail and realign if necessary. If necessary, adjust the settings for travel limits and force limits, following the instructions in the owner's manual. make sure that the photoelectric eyes of the safety sensor are aligned.
Replace the garage door opener logic board
The logic board receives input signals from remotes, sensors and the wall control. It controls the electro-mechanical functions of the garage door opener. Replace the logic board if it doesn't receive input signals or doesn't control components properly.
Replace the garage door opener travel limit switch
The setting of the travel limit switch determines how far the garage door opens and closes. If the motor keeps running when the door is fully closed or fully open, first adjust the travel limits, following the instructions in the owner's manual. If adjusting the travel limits doesn't correct the problem, replace the travel limit switch.
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