Question about M&S Systems Local Audio Input Module - Xtreme Digital Music System Shelf System

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I have M&S Systems MC602 interecom-radio unit. Has worked for 12 years. Now there is no power showing on the display. The power button does not turn the unit on at all. All the features appear to be dead. I have checked the circuit breaker for that area and other outlets in that area work. I have not pulled the unit out of the wall yet to see if there is a reset button. Looking for self help before I call in a technician. I do have a volt meter to do some trouble shooting. Thanks in advance.

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SOURCE: I have a M&S Systems Model MC602 Master Unit.

the only way that this door bell is ringing is when you manually action it ...right>???so ...the issue is on the button (switch ) or there is a short on the wires that goes to the button ..if I was in your place ..I will power it off..and open the switch button (the one from the door that it pressed to action it ) ..and see if it is still ok ..See that if yo remove one wire stopping ..if does..this means it is the problem and it needs replace ..or checked for a short circuit ..if this will not stop it ..means that the wires are making contact somewhere on the way ...and you have to go along them and check ..until find the problems ..If you find no problem along the buttons wires..than move on the unit itself..and open it to check for a short circuit between wire that should not suppose to touch ....that's almost all you have to do ...if youdo not find the issue probably internal one in the unit itself ..and probably the fastest fix is to change it ..

Posted on May 15, 2010


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