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Can a blown furnace transformer cause "hot spots" on the furnace circuit board?

The transformer did not blew up, it had a short and created an ARC. But saying transformer blew up means it suffered a catastrophic event. Arc is uncontrolled amount of current that overload the ...
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How to correctly identify a doorbell transformer?

Use a voltmeter (multimeter) and test voltage at the doorbell wires, voltage at the transformer terminals, and continuity of wires to make sure they go where they appear to go. Ring has very good ...
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Why is my Honeywell alarm system not powering down?

Alright, folks it turns out that transformer I unplugged was for the doorbell. I’ve looked all over the house and can’t find a second transformer, but for now I believe that merely holding the “off” ...
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Why is my Honeywell alarm system not powering down?

FC indicates communications failure (telephone) AC means it's getting AC power (from a transformer, obviously not that one.) Follow the green and yellow wires on terminals 1&2 that seem to go out ...
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