2024-01-15 8 min read
Understanding your garage door's limit switches is essential for maintaining a safe and properly functioning door. These small but crucial components tell your opener when to stop the door's travel in both directions.
Limit switches are adjustment mechanisms on your garage door opener that control how far the door travels when opening and closing. There are typically two switches: one for the up (open) position and one for the down (close) position.
When properly adjusted, your garage door should: - Stop completely on the floor when closing - Open to the full height without straining - Reverse if it encounters an obstruction
Door Doesn't Close Completely: If your garage door stops a few inches above the floor, the down limit switch needs adjustment. This gap compromises security and allows weather, pests, and debris to enter your garage.
Door Reverses Before Touching Floor: When the door reverses immediately upon touching the ground, the close limit is set too far down, causing the opener to think it's hitting an obstruction.
Door Opens Too Far or Not Enough: If the door strains against the header or stops short of full open, the up limit needs adjustment.
Opener Continues Running After Door Stops: This grinding sound indicates the limit switch isn't properly signaling the opener to stop.
While limit switch adjustment might seem straightforward, we recommend caution. Improper adjustment can: - Damage the opener motor - Create safety hazards - Void your warranty - Lead to premature wear on components
For most homeowners, we recommend calling a professional. Our technicians can adjust limit switches as part of a comprehensive tune-up, ensuring all safety systems work correctly together.
Contact Peshastin Garage Doors if: - Adjustments don't resolve the issue - You're uncomfortable working with the opener - The door exhibits multiple problems - Your opener is more than 10 years old
Our 25-point maintenance inspection includes limit switch testing and adjustment, ensuring your entire system operates safely and efficiently.
Call (509) 635-7343 to schedule your garage door tune-up today.