doorbell box is humming

Old 02-12-05, 04:18 PM
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Join Date: Feb 2005
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Question doorbell box is humming

moved into new home, chime box was humming, bought new box and adapter, also new button switches for doors front & back bells now front bells ring back does not??? is there break in line somewhere, still humming ???
Old 02-13-05, 05:22 PM
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probably a short in the wires to the other doorbell. the button closes the hot off of the transformer to the chime. A short could cause the circuit to stay closed. the chime is just a momentary contact so the doorbell would not be going off even if there was a short. Off of your transformer you should have a wire going to the back doorbell, from there a wire to the chime. with a continuity tester across these two wires it should read an open line and then close when the button is pushed. that would be the best way to verify the wiring to the back doorbell

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