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Problem with Defiant digital timer

I have recently purchased an in-wall digital timer to replace my standard light switch that controls my porch lights. I installed it per instructions and it appears to power up correctly, but when I turn on the switch, the lights start rapidly flashing on and off. What have i done wrong?
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Posted 2016-05-16T01:23:18+0000  by dww dww
One of the Defiant timers did not require a neutral wire to be in the switch box.  That particular model will NOT work LED or CFL lamps because to operate lets a very small amount of electricity through the circuit.  That wasn't a problem with incandescent lamps but causes weird behavior in LED and CFL lamps.  If you don't have a neutral, then you will have to use an incandescent lamp in your fixture.

If that's not problem, then the timer is likely defective and needs to be replaced.
Posted 2016-05-16T08:48:48+0000  by Adam444
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