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Daktronics VX-2428, System Manual

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Daktronics VX-2428 System Manual Download Page 22

Maintenance and Troubleshooting

18

Maintenance Checklist

Refer to the instructions in the 

Fan and Filter Maintenance (p.13)

, 

Traffic Cabinet 

Maintenance (p.14)

, and 

Display Maintenance (p.15)

. One copy of the following 

service interval table may be filled out for each display. 

Display Location:

Maintenance Item

Monthly Remote 

Diagnostics

1 yr.

As 

Needed Dates Performed and Initials

Secure Connections

X

Earth Ground Resistance

X

Display Cabinet

X

Structural Inspection

X

Light/Temp Sensors

X

Face Panels

X

LEDs

X

Ventilation Fans Inspection

X

Internal Hardware

X

LED and Electronic Circuitry

X

Summary of Contents for VX-2428

Page 1: ...201 Daktronics Drive Brookings SD 57006 5128 www daktronics com support 800 325 8766 GENERIC SERVICE VX 2428 GEN 2 DISPLAY SYSTEM MANUAL 25 September 2018 DD3937164 Rev 00...

Page 2: ...art of this book covered by the copyrights hereon may be reproduced or copied in any form or by any means graphic electronic or mechanical including photocopying taping or information storage and retr...

Page 3: ...er 7 Bonding Screw 7 Power Connections 7 Traffic Cabinet Termination 7 Display Termination 8 Conduit Sealing 8 Module Connection 8 Fans and Power Supplies Connection 8 Traffic Cabinet 8 Vanguard Contr...

Page 4: ...LED and Electronic Circuitry 17 Maintenance Checklist 18 Troubleshooting 19 6 Exchange and Repair Programs 22 Daktronics Part Numbers 22 Daktronics Exchange and Repair Return Programs 22 Exchange Pro...

Page 5: ...he Vanguard VX series displays employ a power on the ground system meaning all power and control equipment is contained in the traffic cabinet and routed to the individual displays Each display is con...

Page 6: ...lows a maintenance technician to perform diagnostics while working in one location without having to access the Vanguard Field Controller in another location This improves safety and reduces maintenan...

Page 7: ...er The VCB uses an I O interface to control beacons The VCB also monitors door sensors ventilation fans defog heaters and power supplies The VCB uses a protocol that routes signal to each horizontal l...

Page 8: ...cabinet door opening can report whether the door s are open or shut This information routes to the mini CAN I O board which monitors the status of the door sensor s and reports the status to the Vangu...

Page 9: ...ostat and heater regulate the temperature within the traffic cabinet ensuring internal components operate at ideal temperatures UPS A UPS contains batteries and an inverter If the utility AC power fai...

Page 10: ...ualified engineer inspect the mounting structure After installing the display inspect the top and sides of the display for any openings that may allow moisture to enter the display Seal openings with...

Page 11: ...rify all grounding methods meet the provisions of all applicable local and national codes Proper grounding is necessary for reliable equipment operation and general electrical safety Failure to proper...

Page 12: ...display Power for each module is provided with the use of one red and one black wire Power connections are completed at the factory Fans and Power Supplies Connection The fans and power supplies use...

Page 13: ...ockwise or counter clockwise until the arrow points to the desired number refer to Figure 6 Only 0 through 7 are viable addresses Vanguard Field Controller and First Time Fire Up After installing the...

Page 14: ...s engineering staff for evaluation and approval or the warranty will be void Service and Diagnostics The VX 2428 series DMS are front accessible all internal components are accessible from within the...

Page 15: ...2 Failed Pixel Refer to the table in the Troubleshooting p 19 section 3 Power Failure Input Voltage has dropped below the recommended voltage 4 Invalid address error No valid address read from the ad...

Page 16: ...place and install the mounting screws 7 Reconnect all connectors removed from the Vanguard Field Controller 8 Secure any retaining screws and prepare the Vanguard Field Controller for operation Modul...

Page 17: ...r grounding 5 Reconnect all connections removed in Step 2 6 Restore power 7 Verify the address on the new isolation board matches the address on the existing isolation board Environmental Sensor To re...

Page 18: ...3 Remove the failed ventilation fan 4 To replace the ventilation intake fan follow the previous steps in reverse order Ensure the fan is properly oriented Verify air flow direction Traffic Cabinet Ma...

Page 19: ...intervals are recommendations Contact Daktronics for recommendations based upon location specific conditions Structure At least once per year Inspect the mounting structure for corrosion loose bolts a...

Page 20: ...troller operation Face Panels Clean the face panels as needed using one of the following methods Wet Outdoor Cleaning Method Cleaning supplies Water 5 gal bucket Automotive detergent 4 to 8 telescopin...

Page 21: ...on the DMS to check for hardware problems and incorrect variable settings 1 Connect to the Vanguard Field Controller and establish communication with the display 2 Check that the temperature levels sh...

Page 22: ...of the following service interval table may be filled out for each display Display Location Maintenance Item Monthly Remote Diagnostics 1 yr As Needed Dates Performed and Initials Secure Connections...

Page 23: ...ng with the central controller VCB is bad Replace VCB No power to power supply groups Check that the circuit breakers are on and are not tripped LEDs on the entire display are garbled or wrong LEDs ar...

Page 24: ...e is bad Replace failed module One pixel does not light The module is bad Replace failed module One string half the LEDs in one pixel does not light The module is bad Replace failed module Electronica...

Page 25: ...display output RX not terminated properly fiber or copper option Re terminate display output RX connections fiber or copper option Vanguard Field Controller is bad Refer to the controller manual One...

Page 26: ...a specially ordered part Most circuit boards and components within this display carry a label listing the part number of the unit If a circuit board or assembly is not in the replacement parts list u...

Page 27: ...an exchange part if it does not solve the problem The company also reserves the right to refuse parts that have been damaged due to acts of nature or causes other than normal wear and tear Repair Retu...

Page 28: ...Exchange and Repair Programs 24 Shipping Address Daktronics Customer Service 600 E 54th St N Case ____________ Sioux Falls SD 57104 Email transportationhelp daktronics com...

Page 29: ...redundant power bus and a failed power supply Light Emitting Diode LED Low energy high intensity lighting units Multiple closely spaced LEDs form a pixel on the DMS display Matrix Visible area on a d...

Page 30: ...ent that sends and receives signals to and from the Vanguard Field Controller It distributes the signals received from the Vanguard Field Controller to modules throughout the display All diagnostic da...

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