M&S Systems DMC3-4 Troubleshooting Manual
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Also See for DMC3-4:
- Installation instructions manual (25 pages) ,
- Owner's manual (24 pages) ,
- Owner's manual (24 pages)
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dmc1 & dmc3-4 System Troubleshooting
If there is "No Power" on the unit—it will not power up:
·
Check that the circuit breaker at the electrical box is on.
·
Check that the TE-5 transformer is connected correctly. (Brown
to Yellow 16-18 VAC, Blue to Red 16-18 VAC)
·
Check the fuses on the back of the master unit. Replace if
necessary (Radio Shack Part #270-1065).
·
Reset master unit by inserting a paperclip in the reset hole,
which is located behind the door.
If the radio reception is poor:
AM
·
Check that AM antenna is installed in accordance with finish out
instructions, and connected to tuner module.
·
Check that TE5 transformer is properly grounded.
·
Check that ribbon cable from tuner to circuit board is seated
properly.
·
Possible defective master.
FM
·
Check that FM antenna is installed in accordance with finish out
instructions, and connected to tuner module.
·
Check that ribbon cable from tuner to circuit board is seated
properly.
·
Possible 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 installed within 10 feet of
each other.
·
Check for shorts on intercom station cable runs.
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Table of Contents
Related Manuals for M&S Systems DMC3-4
Summary of Contents for M&S Systems DMC3-4
- Page 1 & dmc3-4 System Troubleshooting If there is “No Power” on the unit—it will not power up: · Check that the circuit breaker at the electrical box is on. · Check that the TE-5 transformer is connected correctly. (Brown to Yellow 16-18 VAC, Blue to Red 16-18 VAC) ·...
- Page 2 · Reduce intercom volume. If the CD will not eject the cartridge: · Check that there are no room station cables or other wires routed behind the mechanism in the CD chassis. · Make sure that the CD chassis and plastic faceplate is installed correctly. ·...
- Page 3 · Possible defective master. If the unit has hum, popping, or audible oscillation: · 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.) ·...
- Page 4 · Check that room switches at master are in “RADIO INT” or “INTERCOM” position. (No chime when stations are switched to the “Monitor” or “Off” position.) · Check that “INTERCOM VOLUME” and room station volume controls are adjusted properly. (See AUDIO SETTINGS.) ·...
- Page 5 dmc1 Error Codes Code Description Possible Causes Improperly inserted or defective cable, CD Mechanism Failure defective Compact Disc, or defective mechanism Improper installation, CD Mechanism Thermal Protection or defective mechanism Control cable not connected, CD communications failure no power to the mechanism, or defective mechanism Improper AM antenna installation,...
- Page 6 Audio Settings Volume · Music—Adjusts the volume for system music · Master Station—Adjusts the volume for the speaker on the Master Station only · 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...
- Page 7 Useful Information DMC 1 Wire Functions CAT5 – Retrofit Wire Conversion Chart RITTENHOUSE CAT5 M&S M&S NUTONE RITTENHOUSE FUNCTION 7200 CONDUCTOR ORANGE IC INPUT BLUE BLUE ORANGE GREEN GREEN ORANGE/WHITE IC INPUT YELLOW YELLOW ORANGE/WHITE YELLOW YELLOW ROOM/PATIO BLUE BLACK BLUE RELAY GREEN/WHITE...
- Page 8 FOR STEREO SPEAKERS ON MC960PA 45 Ω Polarity SVC96 MS2SXSC MS5XSC Speaker Green Violet Green Left Violet Violet Violet Right White Black Blue White Negative...
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