3M 478DA (D-15) user manual

User manual for the device 3M 478DA (D-15)

Device: 3M 478DA (D-15)
Category: Intercom System
Manufacturer: 3M
Size: 0.11 MB
Added : 8/19/2014
Number of pages: 12
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3M 478DA (D-15) User manual - Online PDF

Explore the detailed user manual for 3M remarkable creation, Model 478DA (D-15). Gain valuable insights and instructions to maximize your device's capabilities and optimize your user experience. Uncover the full potential of your 3M 478DA (D-15) device through this comprehensive user manual, offering step-by-step guidance and expert tips for effortless operation and enjoyment.

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Summary of the content on the page No. 1


Troubleshooting Guide
Model 478DA (D-15)
Single Intercom System
Introduction
The Model 478DA is a single-channel intercom system that is used for point-to-point communication applications.
The system includes a visible/audible presence alert and the capability of multiple units communicating with the same
loudspeaker.
Problem Isolation Procedure
Use the troubleshooting table on the following pages to help isolate the problem:
1. Start at the top of the table and work down to the bottom.
2.

Summary of the content on the page No. 2

Technician Troubleshooting Guide Model 478 (D-15) Figure 1. Operating Controls Key Control Name Function 1 Power Switch Controls application of power to the system. Power Indicator Light Indicates power is applied to the system. Adjusts the internal speaker (listen) audio level. 2 Volume Control 3 Standby Touch Switch Silences intercom audio to eliminate pickup of undesired background noise and reconnects optional music/message source to the external speaker when unit is not in use. The system a

Summary of the content on the page No. 3

Model 478 (D-15) Technician Troubleshooting Guide Troubleshooting Table Problem Possible Cause Correction  No inbound audio. Power No AC power to the unit. Check power supply Indicator Light (green) is transformer or wall outlet. OFF. Defective analog board. Check and replace analog board.  No inbound audio: Defective logic board or Check and replace logic touch pad. board or touch pad. • Power Indicator Light (green) is ON. • LISTEN Indicator Light (green) is OFF.  No inbound audio: Defectiv

Summary of the content on the page No. 4

Technician Troubleshooting Guide Model 478 (D-15) Problem Possible Cause Correction  No outbound audio: Defective menu speaker, Check and replace menu menu mic, or wiring. speaker, menu mic, or wiring. • Power Indicator Light (green) is ON. • TALK Indicator Light (red) is ON when TALK SWITCH is pressed. Defective analog board. Check and replace analog board.  With car on loop, VEHICLE Alert volume control setting Check and/or increase the Indicator Light (yellow) is too low. Alert volume contr

Summary of the content on the page No. 5

 Troubleshooting Guide Model 481 BA (D-20) 6-Channel Intercom System Introduction The Model 481 is a 6-channel intercom system that is typically used to provide communication between store counters and pump islands in self-service gas stations, convenience stores and truck stops. SP-206A Problem Isolation Procedure Use the troubleshooting table on the following pages to help isolate the problem: 1. Start at the top of the table and work down to the bottom. 2. For each symptom listed, determi

Summary of the content on the page No. 6

Technician Troubleshooting Guide Model 481BA (D-20) 8 9 6 7 5 4 1 2 3 SP-205A Figure 1. Operating Controls Key Control Name Function 1 Power Switch Provides power to mainstation. 2 Power Indicator Light Indicates power is on and the system is ready to operate. 3 Volume Control Adjusts INCOMING audio level. NOTE: Volume level adjustments for alert tone and outside speakers are set by the installer. 4 Channel Selector Switches (1-6) These switches control talk/listen communication for numbered cha

Summary of the content on the page No. 7

Model 481BA (D-20) Technician Troubleshooting Guide Troubleshooting Table Problem Possible Cause Correction  No inbound audio. Power No AC power to the unit. Check power supply Indicator Light (green) is transformer or wall outlet. OFF.  No inbound audio: Defective logic board or Check and replace logic touch pad. board or touch pad. • Power Indicator Light (green) is ON. • LISTEN Indicator Light (green) is OFF.  No inbound audio: Defective speaker/mic or Check and replace speaker or analog b

Summary of the content on the page No. 8

Technician Troubleshooting Guide Model 481BA (D-20) Problem Possible Cause Correction  The VEHICLE Indicator Defective call switch. Check and replace call Light (yellow) is OFF and the switch. vehicle detection tone does not sound. Defective analog or logic Check and replace analog or board. logic board.  Unit will not return to standby Defective logic board. Check and replace logic mode when STANDBY board. Switch is pressed.  Unit will not come out of Defective logic board. Check and replace

Summary of the content on the page No. 9

 Troubleshooting Guide Model 479 (D-30) 2-Channel Intercom System Introduction The Model 479 is a 2-channel intercom system that is typically used to provide communication between store counters and pump islands in self-service gas stations, convenience stores and truck stops. Problem Isolation Procedure Use the troubleshooting table on the following pages to help isolate the problem: 1. Start at the top of the table and work down to the bottom. 2. For each symptom listed, determine if it ap

Summary of the content on the page No. 10

Technician Troubleshooting Guide Model 479 (D-30) 6 5 3 5 1 2 4 SP-208A Figure 1. Operating Controls Key Control Name Function 1 Power Switch Controls application of power to the system. Power Indicator Light Indicates power is applied to the system. Adjusts the mainstation internal speaker (listen) audio level. 2 Volume Control 3 Talk Switches (A & B) Control talk/listen communication for the respective channel (A or B). Operator touches switch to talk and releases switch to listen. 4 Standby S

Summary of the content on the page No. 11

Model 479 (D-30) Technician Troubleshooting Guide Troubleshooting Table Problem Possible Cause Correction  No inbound audio. Power No AC power to the unit. Check power supply Indicator Light (green) is transformer or wall outlet. OFF. Defective analog board. Check and replace analog board.  No inbound audio: Defective logic board or Check and replace logic touch pad. board or touch pad. • Power Indicator Light (green) is ON. • LISTEN Indicator Light (green) is OFF.  No inbound audio: Defectiv

Summary of the content on the page No. 12

Technician Troubleshooting Guide Model 479 (D-30) Problem Possible Cause Correction  No outbound audio: Defective menu speaker, Check and replace menu menu mic, or wiring. speaker, menu mic, or wiring. • Power Indicator Light (green) is ON. • TALK Indicator Light (red) is ON when TALK SWITCH is pressed. Defective analog board. Check and replace analog board.  With car on loop, VEHICLE Vehicle Detect-to-Main Adjust R6 to increase signal Indicator Light (yellow) is signal too low. level. ON, but


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