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BEC Audio

  

1325 Millersport Hwy (Suite 203) Williamsville, NY 14221 

Toll Free 888-556-3998 /  Main Office #716-689-0871 

 

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Check for shorts or opens on intercom station cable runs.

 

·    Check for shorts or opens on chime module and door station cable runs. (Continuous 
chime will lock up the master.  See System Diagnostics.)

 

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Reset master unit by inserting a paperclip in the reset hole, which is located 

behind the door.

 

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Check that there are not a lot of excess room station cables run behind the 

master. Bulky wire may cause master circuit boards to compress against each 

other and trigger the buttons

.

 

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Check

 the total length of run isn't above 350' or system over 1000' total

 

If there is no radio or intercom audio: 

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Check that room switches are not in the “OFF” or “MONITOR” position.

 

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Check that volume settings and controls are set properly. (See AUDIO 

SETTINGS)

 

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Make sure the “SOURCE” selection is correct.

 

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Check for shorts or opens on intercom station cable runs.

 

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Check that room station and patio connectors are terminated correctly.

 

·

        

Reset master unit by inserting a paperclip in the reset hole, which is located 

behind the door.

 

·

        

Possible defective master.

 

If the unit has hum, popping, or audible oscillation: 

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Check that room station and patio connectors are terminated correctly. 

(Remove room stations from the master one at a time to identify the source of 
the interference.)

 

·

        

Check for shorts on intercom station cable runs.

 

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Check that cable runs are not too close to AC lines.

 

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Check that room stations and master are not mounted too close to electrical 

equipment. (i.e. TV, Cordless phones, microwave oven, etc.)

 

Summary of Contents for DMC1

Page 1: ...t the circuit breaker at the electrical box is on Check that the TE5 transformer is connected correctly Refer to diagram on the transformer Brown to Yellow 16 18 VAC Blue to Red 16 18 VAC Check the fu...

Page 2: ...sible defective master If feedback occurs when initiating talk or listen Check that intercom stations are not installed back to back or in the same wall cavity Check that intercom stations are not ins...

Page 3: ...om audio Check that room switches are not in the OFF or MONITOR position Check that volume settings and controls are set properly See AUDIO SETTINGS Make sure the SOURCE selection is correct Check for...

Page 4: ...not in off position Check that intercom and master volume levels are set properly Possible defective door station Possible defective master If there is no chime or continuous chime Check that the chi...

Page 5: ...ible defective master For DMC 4 wire If all else fails try unplugging all wires EXCEPT GREEN Add all RED wires one at a time checking for Master Talk and Music Add all WHITE wires one at a time checki...

Page 6: ...cable not connected no power to the mechanism or defective mechanism 4 FM Tuner Frequency Lock Failure Improper AM antenna installation ribbon cable not seated correctly defective tuner module or defe...

Page 7: ...ly Intercom Adjusts the volume for the system intercom Tone Loudness Treble Bass Balance if you have the optional stereo power amplifier Function Recommended Setting from Software VER 1 7 and 1 9 Mast...

Page 8: ...NGE GREEN GREEN ORANGE WHITE IC INPUT YELLOW YELLOW ORANGE WHITE YELLOW YELLOW BLUE ROOM PATIO A D RED RED BLACK RED BLUE GREEN WHITE RELAY CONTROL BLACK BLACK BLACK WHITE BLACK BLACK BLUE WHITE BROWN...

Page 9: ...Black Blue White DMC 3 4 Wiring Black Relay Red Common White Audio Out Green Audio In 4 Wire Troubleshooting Remove patio black and see if intercom can speak to master THIS TROUBLESHOOTING INFORMATIO...

Page 10: ...And Add In Another Wire To It We Need To Put A Load On The System IF YOU ARE STILL NOT ABLE TO TALK OUT OF MASTER Then Keep All BLACK Wires Removed And Now Remove All The WHITE Wires Then Test Commun...

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