A wall console unit for a garage door opener is not a complicated device so it s fairly simple to troubleshoot when something seems to go wrong.
Garage door opener switch voltage.
The voltage to the sensors is usually transformed at the main opener to low voltage probably dc but maybe ac.
Look for the transformer.
Then buy a non illuminated push button that falls into this voltage range.
On sears model 139 53990 garage door opener the safety sensors have now failed to work after an electrical storm.
So i guess i need a switch relay that can pass the 10v through and cut in for a few milliseconds.
Genie universal non lit garage door opener wall push button operate the garage door from inside compatible with most major brands model gwc r 4 6 out of 5 stars 302 8 07 8.
In the garage open up the door opener.
No led lights on either sensor.
07 4 20 oz 9 99 9 99.
Read the specs on the transformer or measure the voltage out of the transformer.
The door will close only when holding down the button the voltage at the operator unit at the sensor wire connectors with the wires removed is about 1 1 2 volts.
Garage door openers use a receptacle in the ceiling for power.
If the garage door is hard wired into the electrical circuit turn off the circuit breaker for the garage door.
Depending on the model most work by connecting two to four wires onto terminals mounting the device on the wall and then plugging the unit into an electrical outlet.
Place a stepladder beneath the garage door opener and unplug the power to the unit.
The wired controller and sensors use low voltage wiring usually 24v to connect to the motor unit.
Any button should work as it low voltage and is only momentarily energized.