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I installed 3 Ring doorbell pros to a new build. No door chimes, they were wired directly to the transformer. The transformer was connected directly to the breaker box panel (white wire to neutral connection, green to ground and black to a breaker). After connecting the doorbell wires to the secondary side of the transformer, there is no voltage coming from the transformer. I tested the transformer and discovered both primary and secondary sides are burnt out. What would cause the transformer to burn out ? I did this to two new transformers. ________________________________ Then I heard the voice of the Lord saying, "Whom shall I send? And who will go for us?" And I said, "Here am I. Send me!" Isaiah 6:8 _________________________________ | ||
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What's the specs for the transformer? | |||
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His Royal Hiney |
Forgive me if this isn't actually relevant to your case. My background in electrical and electronics made me curious so I googled it.
Article "It did not really matter what we expected from life, but rather what life expected from us. We needed to stop asking about the meaning of life, and instead to think of ourselves as those who were being questioned by life – daily and hourly. Our answer must consist not in talk and meditation, but in right action and in right conduct. Life ultimately means taking the responsibility to find the right answer to its problems and to fulfill the tasks which it constantly sets for each individual." Viktor Frankl, Man's Search for Meaning, 1946. | |||
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The first two guesses without testing are the transformer was defective or in a new build, someone on the job site put a nail, screw, or staple through one of the wires and shorted the wires killing the transformer. Someone did that last year on one of my air conditioning control wires and blew the fuse inside the unit. I have one ring doorbell set up like yours. No issues so far. | |||
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Seeker of Clarity |
You've likely overloaded and blew out the transformer. I would assume they have a fuse internal. I did Ubiquiti cameras and their doorbell cameras necessitated a transformer upgrade just to get two to work. Three would be asking a lot. If you're not doing chimes, I'd be tempted to just get three transformers from Lowes/HD and wire them one to one.  | |||
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I have wire for several Ring doorbells at work and have always used what I call a "Tri Tap" transformer. They have provisions for higher outputs on the secondary. A standard DB chime only has a 12v secondary output. Usually get them at Home Depot if we don't have one on the shelf. They look like this. https://www.amazon.com/Doorbel...83520392392164&psc=1 | |||
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Output: 16V AC 1875mA ________________________________ Then I heard the voice of the Lord saying, "Whom shall I send? And who will go for us?" And I said, "Here am I. Send me!" Isaiah 6:8 _________________________________ | |||
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Thanks Rey ________________________________ Then I heard the voice of the Lord saying, "Whom shall I send? And who will go for us?" And I said, "Here am I. Send me!" Isaiah 6:8 _________________________________ | |||
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That could me the issue. Some "unknown" nefarious actor did run a new line from the basement door and did use some staples. I didn't think that short in the line would burn out the transformer. ________________________________ Then I heard the voice of the Lord saying, "Whom shall I send? And who will go for us?" And I said, "Here am I. Send me!" Isaiah 6:8 _________________________________ | |||
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Thank you for that idea. ________________________________ Then I heard the voice of the Lord saying, "Whom shall I send? And who will go for us?" And I said, "Here am I. Send me!" Isaiah 6:8 _________________________________ | |||
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Thanks motoboy. The initial transformer was a Ring transformer that had only two connections on the secondary. I purchased a like transformer at Home Depot. Home Depot had the Tri transformers on display, but I didn't have a clue as to their three connections. ________________________________ Then I heard the voice of the Lord saying, "Whom shall I send? And who will go for us?" And I said, "Here am I. Send me!" Isaiah 6:8 _________________________________ | |||
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Ammoholic |
As everyone has stated you overloaded the transformer. You need to determine what size you need for each one. We would upgrade to 30va from the standard 10va that are installed in homes to solve the problem. I would install one transformer for each location. Then after installing the transformer(s) I would measure at the device with it connected the voltage. If the voltage is at or below 16v at the device, then use the 24v instead of 16v taps. If it's a short run less than 50' there's probably no need to test, just use the 16v taps. If runs are over 100' you'll likely need to use the 24v taps. Jesse Sic Semper Tyrannis | |||
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Which is basically a 30 VA transformer (29.6) That's big enough to operate ONE ring doorbell. | |||
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I ran a test on the third line that I ran and found a short. Ran a new line. Guess I need three separate transformers. ________________________________ Then I heard the voice of the Lord saying, "Whom shall I send? And who will go for us?" And I said, "Here am I. Send me!" Isaiah 6:8 _________________________________ | |||
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Their site recommends installing a resistor for systems with no chime. Stating it's a fire hazard without. https://support.ring.com/hc/en...e-existing-Doorbell- Per site: Note: If you hook up a Ring Video Doorbell directly to an AC transformer without either a resistor or an internal chime, there is a serious fire risk. | |||
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Thanks for the follow up. Do you think that a transformer rated 24V - 40AV would power two Ring Pro's ? ________________________________ Then I heard the voice of the Lord saying, "Whom shall I send? And who will go for us?" And I said, "Here am I. Send me!" Isaiah 6:8 _________________________________ | |||
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They actually show using a 16volt 30VA transformer in their diagram. Using a Pro Power Kit for each Ring Doorbell Pro. https://support.ring.com/hc/en...o-Doorbell-Pro-Setup | |||
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