Depending on the design of the driver circuit these components may still be active when the input voltage is switched off by pressing the light switch. This goes to the light.
Multiway Switching Wikipedia
2 way switch light stays on. Turn the switch off then repeat the test. The light and switch single pole have been in operation for 15 years. Light stays on tried changing wires light stays on. Took the wires off the switch light stays on. Turn the switch on then touch the tester leads to both of the brass terminals on the switch and verify that the tester led goes on. The original fault could have been a switch the strappers run between the two switches one strapper is always live they take it in turns as each switch is operated if both are live faulty switch damaged cable or incorrectly wired switch then it would not be possible to switch off a two way lighting circuit.
Last night the light just came on by itself. The porch has a cfl and on the side of the garage door 3 of these leds on each side. Toggling the first switch and testing the wires for the second switch will reveal one wire on the second switch which is never hot no matter the position of the first switch. If so then you should replace the switch with a properly rated 20 amp switch. Verify that the light stays off or the meter reads 0. There are two methods of making 2 way switching connection one is 2 wire control and another is 3 wire control.
The very strange thing is the switch works like it should both lights turn on but when i. Then wire the other two wires on that switch. This is setup on outside lights for the garage and porch. Go to the other switch. As i stated i changed the switch but the light stays on constantly even without being connected to the switch as long as the breaker is onthe box has three set of wires blackwhiteground from the fixture a blackwhiteground and a blackredwhiteground. I installed this switch to an existing 3 way switch setup that worked just fine no dimming presenti wanted the automation thus the programmable switch.
If the led goes off the switch is good and the wiring is faulty but if the led stays on the switch is bad and needs to be replaced. Two way switch can be operated from any of the switch independently means whatever be the position of other switchonoff you can control the light with other switch. As a result the led continues to light until the energy stores are discharged. Transfer the lead to the other brass terminal and if you still dont get a reading its safe to service the switch. Wire it to the second switchs commonhot screw. This can also take from a few seconds to several minutes.
Glowing led light bulb. A switch rated for 15 amps installed on a 20 amp circuit may heat up if its controlling a number of light fixtures or devices that draw more than 15 amps of power. A warm switch can also be caused by loose wire connections so check these. This is a dual switch one for the outside light one for the inside light which stays on.