Someone replacing a switch can do so incorrectly or can install a switch that only has two non green terminals. Both this and the previous problem can often be.
Does It Matter Which 3 Way Switch I Put A Dimmer At On A 4
Troubleshooting a 3 way circuit. You may have turned the circuit back on and made sure the bulb was new but for whatever reason there is a break in the circuit. The point screw terminal at the second switch. 1 turn off the power to the circuit at the main panel. If this is the case you will have to do some troubleshooting of the wiring in order to determine where the problem lies. Remove the two 3 way. Now using your multimeter you are going to determine which of the three colored wires is.
How to troubleshoot an improperly wired 3 way switch step 1. 3 install the first. 2 turn the power back on. The black wire of the 3 wire cable at the second 3 way switch is connected to the point screw terminal. After completing three way switch wiring it sometimes happens that the connection fails. Disconnect all three wires or four if the outlet is grounded.
Identifying the common wires. In this step you will be turning the power back on do not touch any of the wires previously removed with. The connection of a wire at one of the switches can become loose. Turn off the power at the circuit breaker remove the 3 wires from each of the switches and make sure that none. Test a 3 way switch turn off power to the switches at the circuit breaker and using a tester make sure power is off. There should be continuity between the.
3 way switch troubleshooting one of the switches itself can fail. Using a continuity tester check continuity between the common black terminal and each of the traveler terminals. The white wire of the traveler set of wires must be identified with black electrical tape or permanent marker to indicate that the white wire is not a neutral wire.
Gallery of Troubleshooting A 3 Way Circuit
