Replacing Comelit 2702

Discuss Replacing Comelit 2702 in the Security Alarms, Door Entry and CCTV (Public) area at ElectriciansForums.net

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gianmahil

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Hi I have replaced my old Comlit intercom with a new Comlit 2702. My problem is that the intercom works fine. But the door doesn't open - no noise or anything. What have I done wrong? Wiring for old and new Comlit boards attached. Old one is first new one is second.

Its driving me mad what have I done wrong?
There are also two wires a redand a black one that didnt seem to be connected in the old one and I have left them as is.

HEEELP!
 

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