Get the answers to some of the most important questions about automatic garage doors. Check out our FAQ page and use the shared information and advice to your advantage.
It's not really hard to replace the sensors but they need extra attention since they're the basic safety features of your garage door opener. Once the old ones are removed, you must install the new ones at the exact same position (6 inches from the floor), make sure they're adjusted and the wires are connected to the right terminals.
You usually have three options with sectional garage doors. You can set the opener to move the door with slow, medium or high speed. It's up to you. Though, it's preferable to adjust it to the slow speed if the reverse mechanism doesn't work or there are kids in the house for higher protection against accidents.