How To Fix Reed Switch On Garage Door

Remove any sticky tape residue from both switch and magnet.

How to fix reed switch on garage door.

Reattach the cut wires to the new sensors. To re mount a magnetic reed switch first clean the areas on the frame where the switch and magnet will go. Use a pair of wire cutters to cut the white and black wire about an inch from the sensor. Cleaning the frames first will allow them to be totally dry by the time you finish the next step.

A damp paper towel works well for this. If the switch is set too high for your opening the door may not close. Like in door open close case. Usually the box with switch is attached permanently to a surface and box with magnet is connected with the moving object.

Once the terminals are clean apply a small amount of dielectric grease to both the switch contacts and the inside of the terminals then slide the terminals over the contact. Garage door openers come with an adjustable switch that dictates how far the door should lower in order to close completely. A typical reed switch is on the left side. Wires are contact leads.

My first time wiring up magnetic switch and test circuit after snipping and stripping wire duration. After 5 minutes its q8 output becomes high and triggers the scr. Cut the wires about 1 inch 2 5 cm from the safety sensor. When the door opens magnet move away from the reed switch and ic1 starts tp oscillate with the components c1 and r3.

Before reinstalling the switches use your isopropyl alcohol and electrical contact cleaner to clean the terminals on the garage door opener. It would have cost me over 100 00 to call someon. Small box with wires exposed out contains a contact switch in it. If done correctly you ll have disconnected your safety sensors from your garage door.

How to repair a garage door switch if the installer did this correctly i would not have had to do anything.