Originally Posted by
csl1965
I hired an electrician to replace two switches with two Lutron caseta wireless dimmers (PD-5NE-BL-C - ELV).One circuit consisted of 7 x 12V 50W MR 16s, and other consisted of 4 x 12v 50W MR 16s but it was configured as a 3-way. They replaced the other switch with a mounted pico remote.They installed the two and the 3-way worked fine, the lights dimmed, they didn't buzz.The other dimmer did not work, the lights flashed briefly.The installer attempted to troubleshoot, and moved the working dimmer to the non-working circuit.That dimmer then failed, and when put pack on to its original circuit, did not work either.Lutron was phoned, and an RMA issued, but I would like to understand how two dimmers could fail?What would I have to measure in the circuit to determine if something in the lights or the transformers could be feeding back to the dimmer to cause it to fail.The electrician is not sure what type of transformer the pot lights used - they came with the house, and were installed circa 2003, so he speculated they might be MLV vs. ELV.