Nortek Security and Control KB

M&S Intercom Systems Sub-Categories

Current M&S Systems Intercoms (4)
DMC1 and DMC3-4
Discontinued M&S Systems Intercoms (1)
Categorized by model number
M&S Intercom Systems Articles RSS Feed
My doorbell stopped working. Can you help?
Viewed 18087 times since Thu, Mar 4, 2010
If you have an intercom system which has a 4-wire door station, and your doorbell (or chime) has stopped working, please follow these steps in order to troubleshoot the problem: Check the master unit to ensure all of the volume levels are set... Read More
Can I connect my iPod or MP3 player to the master unit?
Viewed 10934 times since Tue, Jul 5, 2011
Connecting your iPod or MP3 player to one of our intercom systems is done through an Audio Wall Plate (AWP). The AWP has two sets of left and right RCA jacks to which you can plug in your music source. The DMC1 and DMC3-4 master intercom stations... Read More
How to reboot/reset a DMC master intercom?
Viewed 7372 times since Fri, May 14, 2010
If you open the door on the left side of the master you will see a vertical row of slide switches labeled M,1 thru 9 then P. If you have a DMC3-4, you will find a small pin hole to the right of the number 9 switch. On a DMC1 the reset hole will be on... Read More
I have a clicking noise when I try to listen.
Viewed 6459 times since Thu, Jul 7, 2011
If you are using a 4-wire Intercom System, there may be a short in the wiring or in one or more of the stations. The primary trouble shooting steps involve a procedure we call the "Black-wire Test." The "Black-wire Test" will require the... Read More
My CD player won’t play my CD’s any longer
Viewed 5642 times since Thu, Jul 7, 2011
First, check the wire connections for the interface cable and transformer to make certain they are secure and have proper termination. Next, check to see if your CD is inserted in the correct "label up" position. Next, we will do a reset on the... Read More
My system turns on by itself and then the volume goes up and I can’t shut it off. What can I do?
Viewed 5387 times since Thu, Mar 11, 2010
Most of our intercom systems have stations (room and patio) that can control the system by using the buttons on the station. They can raise, or lower, the system-wide volume and even turn the system on or off. IF one of these stations develops a... Read More
If I upgrade my intercom system, can I reuse my current remote stations
Viewed 4545 times since Fri, Feb 26, 2010
Whether or not you can reuse your current stations with a newer model master really depends on two things – the model of the master you upgrade to and the model number of your current stations. Unless you are using a DMC3-4 in your upgrade,... Read More
I can talk from my rooms to the Master, but not from the Master to the rooms.
Viewed 2899 times since Thu, Jul 7, 2011
The problem could be in the wiring, the Master Station, or a remote station. Due to the number of different possibilities, we recommend you contact a local service provider. You can locate a provider in your area by visiting our website at http://www... Read More
Can I make 3 wires work with a 4 wire system?
Viewed 2647 times since Mon, Aug 16, 2010
Not without changing out all of your room and patio stations. If you have 4-conductors (wires) servicing your system and you want to change it over from a 4-wire to a 3-wire, you must do the following: Change the jumpers on the back of the DMC3-4... Read More
I can talk to my room stations, but not to my Master.
Viewed 2527 times since Mon, Jul 12, 2010
The problem could be in the wiring, the Master Station, or a remote station. Due to the number of different possibilities, we recommend you contact a local service provider. You can locate a provider in your area by visiting our website at http://www... Read More
My MC960PA is overheating.
Viewed 2524 times since Mon, Aug 16, 2010
There are a few things that can cause your MC960PA to overheat. Review the following to see if any of these are causing your problem: Use only 45 ohm speakers. Maximum number of ten stereo pair or 20 mono 45-ohm speakers. If installing in... Read More