I don't use Hikvision but they use a semiconductor switch which must have voltage to it in order to work.
Thanks LConley
I had written to Hikvision support earlier and discovered that I had missed their reply to my question. The question I posed to them was as follows:
On Wed, 1 Jul at 7:58 AM , Philip Eckert wrote:
Good morning,
I’m a retired GM electrician and have a question for you with my DS-HD1 camera. It’s hooked to my door chimes and has been working well but recently stopped ringing the chimes. The wiring circuit is good to the doorbell; if I connect the 2 wires together, the chimes will ring. I had taken the camera off and put an ohmmeter across the terminals and pressed the button but got no reading. The circuit is open and that would explain why the chimes don’t ring anymore. I noticed the back of the camera was so hot I couldn’t keep my fingers on it for more than 3-4 seconds. The camera records and otherwise works but no more chimes. Shouldn’t I get a ohmmeter reading when I push the cam button? Thanks, Phl Eckert
[Hikvision Support replied to me]
Hello Philip,
Thank you, yes that is correct. You should be getting some reading. And this just started happening recently? The hot to the touch would be normal for that given device. You can try to reconnect those connections, but I'm sure you have already tried that. With this issue you will want to reach out to your place of purchase for the RMA/Warranty options.
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