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Question About M&S Systems Intercom System N 150
The doorbell for my M and S intercom model # N150 ...

The doorbell for my M and S intercom model # N150 no longer works. The intercom and radio work. There is no voltage detectable in the wires to the outside doorbell button. Is it a blown transformer? Can I purchase a transformer for this old model, installed in 1990?

Asked by Jonathan on 11/23/2013 0  Answer

ManualsOnline posted an answer 11 years ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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