Recent content by MattL

OK, I'll give it a go with a separate power source connected through the gate intercom as suggested. Let you know if that helps!

Thanks and yes, I agree - I've got power coming down a separate 2-wire channel from the controller which has 4 x 2-wire connection points. Polarity - the door strike installation instructions say polarity doesn't matter for the door strike connection - I tested it direct and it works either way...

It's DC - polarity doesn't matter

Hi, I'm doing a DIY install - the Dahua 2-wire kit with the VTNC3000A network controller and I'm having issues with the door strike - failing to release. Setup is: 24V 2.5A power to VTNC3000A controller - 2 wire from controller to VTH1550 24V/7W - 2 wire from controller to VTO200A 24V/10W - and...