20 Most Recent Heath Zenith Designer Series Wired/Wireless Doorbell, DC-3345 Questions & Answers

need more info. Doorbells do not need 2 xfrms. The red off 24 volt xfmr foes to door switch and returns on white. If you have 2 door switch one switch to front door label on doorbell and the 2nd goes to back door label. What is the brand and model number/ I'll try and walk you thru it.

Open up the back of your bell and the back of your button. There should be switches you can move. Just move them the same on the button and the bell. This will make it so yours doesn't ring when theirs does.

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Most Heath Zenith product manuals are available here: https://www.heath-zenith.com/support/owners-manuals . Searching for the SL-6273 found two versions of the wireless MP3 door chime. The direct link to the manual for the SL-6273-00 is https://www.heath-zenith.com/system/spree/documents/attachments/000/000/839/original/205371-02A.pdf?1436551434 . Put the batteries in the door chime. To transfer an MP3 to the door chime, connect it to a computer with a USB cable. Open the folder to view files and drag the new (short, <= 20 seconds long) tune into the folder. Eject the door chime (like any USB hard drive) and remove the USB cable from the door chime. Next press the Tune button to cycle through the tunes on the door chime for the front door chime. Stop when the desired tune is played. That will be played any time the front chime is pressed. If you add the jumper to pin 8, the door chime will ding as that is the rear rear door sound. For the front door, make sure that the switches (1-7) on the push button match those for the door chime. I hope this helps. Cindy Wells

Nice question. Do you have a specific concern, or an area to protect? I am an expert by experience.

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Like Steve stated. I would add to use a rust-converting primer (the type that converts surface rust into an invert primer, stopping all future rusting).

As this is only occurring in the left corner, I'd try to determine exactly where the water is coming from (that's causing the damage). I suppose it could be condensation if the unit is over ten years old, but it also possible that a connection slightly loose or worn.

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