3 Way Switch Not Working

Sometimes a 3 way circuit doesn t work because someone tried to replace a defective switch and did not properly connect the wires.

3 way switch not working. Terminals are identified by screw color or labeling. Toggle each switch until the light come on. Sometimes one of the switches has become defective. How complicated can 3 way switch troubleshooting be.

Turn off the power at the circuit breaker remove the 3 wires from each of the switches and make sure that none are touching anything. Step 2 in this step you will be turning the power back on do not touch any of the wires previously removed with anything but the meter probes as instructed. Toggle one switch to see if it turns the light on and off. The main switch controls the light.

However the second switch does only controls the whole system. There are only 12 possible positions for the screws yet due to the fact that these switches depend heavily on quantum mechanics no two 3 way switches have their screws in the same place. If it does it is a good switch. Since a 2 switch system has 3 wires to be connected to 3 terminals at each box it works out that only 1 out of 9 possibilities will work.

The second switch doesnt really act like a 3 way switch. The second switch is basically useless. The poster child for this fact is the 3 way switch. Follow these steps to find which switch is bad.

The following method will address both problems at once. Now i can only turn on off the light from only one switch and the app. There are many ways that a three way switch can be wired but usually power or the light fixture connect to the load side of the switch and traveler wires run between traveler screws on both switches. Thus my review for the product is very low.

3 way switch troubleshooting diagrams. Each 4 way switch in between would worsen the odds by a factor of 3.