Garage Door Fuse Blown

Check the labeled area that corresponds to the part of the house that lost power.

Garage door fuse blown.

Garage doors sometimes seem to have a mind of their own often deciding when and how far they want to open or close. Turn off the main power switch to disconnect power to the fuse box. Garage door openers building supplies garage organization shelving 1 answer from this member. 2 the glass fuse on the circuit board has blown or popped.

Most craftsman openers do not have any type of fuse though some older models did have a reset button. These devices are made up of wire that can melt and break an electrical circuit when the current exceeds a safe level. The owner s manual would tell you if your model has a reset and cover how to use it. 1 the transformer has failed due to a power surge.

Then you will need to determine which fuse has blown. Sometimes the fix can be as simple as replacing the batteries in the opener. In most cases a tripped circuit breaker is caused by a temporary overload on the circuit or a short circuit in some device plugged into the circuit. They act as a safety device to prevent an electrical fire.

Here is what may cause your garage door opener to not power on. Now you need to locate the blown fuse. 4 a wire or wire harness is loose or burnt. Often times however a more serious issue will prevent an operator from receiving power such as a blown fuse or circuit breaker.

A blown fuse may be discolored cloudy or have a melted or broken metal piece inside. Look inside the fuse for charred glass or a broken filament evidence of a blown fuse. 3 the circuit board itself is faulty. With the main power still off unscrew the blown fuse and remove it.

Identify the broken fuse.