Daktronics VF-23 Series Manual Download

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GENERIC SERVICE

VF-23XX

GEN 2

Display Manual

DD3891099

Rev 0—13 April 2018

117 Prince Drive PO Box 5120 Brookings SD 57006
tel 605-697-4000 800-833-3157 fax 605-692-0145
www.daktronics.com [email protected]

Summary of Contents for VF-23 Series

Page 1: ...RVICE VF 23XX GEN 2 Display Manual DD3891099 Rev 0 13 April 2018 117 Prince Drive PO Box 5120 Brookings SD 57006 tel 605 697 4000 800 833 3157 fax 605 692 0145 www daktronics com transportationhelp daktronics com ...

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 retrieval systems without written permission of the publisher Vanguard is a trademark of Daktronics Inc National Electrical Code and all other trademarks are property of their respective companies ...

Page 3: ...l 6 CAN Distribution Board 6 CAN I O Board 6 DC DC Converter Board 6 2 4 Panelboard 6 2 5 Surge Suppressor 6 2 6 Relays 7 2 7 Sensors Network 7 External Sensor 7 Internal Sensor 7 Bottom Sensor 7 2 8 Ventilation and Heater Systems 7 Intake Fans and Filters 7 Fan RPM Sensors Optional 7 2 9 Beacon s Optional 8 2 10 Traffic Cabinet Optional 8 Cabinet Light 8 Door Reporting Optional 8 Pull Out Drawers...

Page 4: ...fic Cabinet Optional 14 4 4 First Time Fire Up 15 Section 5 Maintenance and Troubleshooting 17 5 1 Service and Diagnostics 17 5 2 Module Numbering System 17 5 3 7 Segment Error Codes 18 Modules 18 LVDB 18 5 4 Internal Component Access 19 5 5 VFC 3000 Controller Replacement 19 5 6 Module Replacement 19 5 7 Driver Board Replacement 20 5 8 Power Supply Replacement 20 5 9 LVDB Replacement 21 5 10 LVDB...

Page 5: ...ns 25 Filters 26 VFC 3000 Controller 26 Face Panels 26 Wet Outdoor Cleaning Method 26 Pressure Wash Cleaning Method 27 LEDs 27 LED and Electronic Circuitry 27 5 16 Maintenance Checklist 28 5 17 Troubleshooting 29 Section 6 Replacement Parts and Exchange and Repair Programs 33 6 1 Daktronics Part Numbers 33 6 2 Daktronics Exchange and Repair Return Programs 33 Exchange Program 33 Before Contacting ...

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Page 8: ... Daktronics Customer Service please have this information available to ensure timely response Daktronics builds displays for long life and they require little maintenance However from time to time certain components need replacing Refer to the Daktronics Exchange and Repair Return Programs in Section 6 2 if any component needs replacement or repair 1 2 DMS Overview The VF 2300 series displays are ...

Page 9: ...rprets sensor data for display control and diagnostic functions such as adjusting the display s intensity for current lighting conditions 1 4 Auxiliary Control Panel Optional The auxiliary control panel ACP complements the VFC 3000 controller by providing a secondary control interface panel at the DMS site The ACP allows a maintenance technician to perform diagnostics while working in one location...

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Page 11: ...upply is paired with another power supply to make a power supply group If one power supply in the group fails the other is capable of supporting the full power load which prevents power failure to the modules Low Voltage Distribution Board One low voltage distribution board LVDB mounts to each power supply The LVDB provides input and output voltage to the power supply Figure 3 shows an LVDB The LV...

Page 12: ...ibution board uses a protocol that routes signal to each horizontal line of the display With this protocol signal failure to one module in a horizontal line does not affect other LED modules in that line CAN I O Board The CAN I O board is an input output interface that also monitors the status of the power supplies door open sensors control beacons fans and heaters DC DC Converter Board The DC DC ...

Page 13: ... of the display The sensor transmits these measurements to the CAN distribution board and the VFC 3000 controller adjusts LED intensity to protect the LEDs from overheating The internal sensor may also measure humidity within the display Bottom Sensor The bottom light sensor is located on the bottom right of the display It detects the light intensity below the display 2 8 Ventilation and Heater Sy...

Page 14: ...ard which monitors the status of the door sensor s and reports the status to the VFC 3000 controller Pull Out Drawers and Shelving Traffic cabinets contain a pull out drawer and several support shelves The shelves can support items such as the VFC 3000 controller the communication device or a laptop computer The pull out drawer is often used for storage of extra supplies such as screws screwdriver...

Page 15: ...ntains batteries and an inverter If the utility AC power fails the UPS powers the VFC 3000 controller and communication equipment for a limited amount of time 2 11 Laptop Interface Enclosure Optional Light The LIE is equipped with a fluorescent light and light switch located at the top of the LIE Fold Down Shelf The LIE has a fold down shelf that holds a laptop computer Outlets The GFCI and utilit...

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Page 17: ...l weight Do not permanently support the display with the eyebolts Contact Daktronics with additional questions about display lifting 3 2 Display Mounting Securely mount each display to a suitable mounting structure provided by others Daktronics attached aluminum Z extrusions to the back of the display for mounting Use all Z extrusions when mounting the display Use appropriate hardware to support t...

Page 18: ... 3 4 stainless steel anchor bolts When anchoring the traffic cabinet to the concrete pad make sure the bottom of the cabinet allows for water drainage Do not seal the cabinet to the concrete pad as this prevents water from draining properly The conduit for power and signal enters through the open area in the bottom of the cabinet Pole Mounting Mount the cabinet using the pole mount brackets Make s...

Page 19: ...ent operation and general electrical safety Failure to properly ground the display system may void the warranty disrupt operation damage equipment and cause bodily harm or death Power For installation with ground and neutral conductors provided the power cable must contain an isolated earth ground conductor Do not connect neutral to ground at the disconnect or at the display this violates electric...

Page 20: ...wer supply groups Power redundancy is achieved with the 4 pin conductor and the 2 power supplies in the power supply groups The primary power supply runs power through 2 pins in the 4 pin connector and the backup connects to the remaining 2 pins Both lines are 24 VDC present at all times The backup 24 VDC line only powers the module if the primary line fails Primary and backup 24 VDC lines alterna...

Page 21: ... wire to the neutral bus 3 Connect the hot wires from the terminals to the panelboard lugs 4 4 First Time Fire Up After installing the display and DMS site equipment test the site according to the field test procedure This ensures all equipment is installed properly and is operational If a field test procedure is not available call Daktronics Transportation Customer Service to obtain a copy ...

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Page 23: ...ktronics engineering staff for evaluation and approval or the warranty will be void 5 1 Service and Diagnostics The VF 2300 series DMS are front accessible and all internal components are accessible from the front of the display The following tools are required to service the display Stubby Phillips screwdriver Small Phillips screwdriver Small flat head screwdriver Small pliers Medium Phillips scr...

Page 24: ...succession If no errors are present the 7 segment will show a continuously looping figure 8 Modules 7 Segment Error Code Error Cause 1 Communications Lost No CAN packets received for 10 seconds 2 Failed Pixel Refer to the troubleshooting table 3 Power Failure Input Voltage has dropped below 20 VDC 8 Lost Packet Diagnostic packet FIFO full LVDB 7 Segment Error Code Error Cause 1 Communications Lost...

Page 25: ...tall the mounting screws 7 Reconnect all connectors removed from the VFC 3000 controller 8 Secure any retaining screws and prepare the VFC 3000 controller for operation 5 6 Module Replacement Caution Modules are not hot swap components Always turn off power to the display prior to servicing 1 Remove the failed module by loosening the captive bolts in the module face with a hex head wrench 2 Remove...

Page 26: ...s of the power connector and remove the connector b Press the tabs of the signal connector and remove the connector 3 Remove the nuts securing the driver board to the LED module 4 Carefully remove the driver board 5 Position the new driver board on the back of the module with the appropriate orientation and secure the driver by reinstalling the 6 nut 6 Plug the power connector and signal connector...

Page 27: ... distribution panel 2 Note the location and orientation of the plugs connected to the failed LVDB on the power supply Remove the screws connecting the LVDB to the power supply 3 Gently lift the LVDB off the power supply To replace the LVDB follow the previous steps in reverse order 5 10 LVDB Fuse Replacement Note Only replace fuses with fuses of the same type and rating 1 Disable the circuit break...

Page 28: ...ing incoming signal from the VFC 3000 controller and outgoing signal to the modules and sensors 3 Remove the screws holding the board in place and carefully remove the failed CAN distribution board 4 Position the new board in the enclosure and secure with the screws removed in Step 3 Securely fasten the screws to ensure proper grounding 5 Reconnect all connections removed in Step 2 6 Restore power...

Page 29: ...le is held at least 6 away from the filter the pressure is no greater than 60 psi and the air is blown through the filter opposite the airflow direction as indicated by the arrow stamped on the filter frame Filter Replacement 1 Turn off the intake fan breaker 2 Loosen the 1 4 turn fasteners in the upper corners of the intake fan assembly panel 3 Rotate the fan and filter assembly forward 4 Slide t...

Page 30: ...assembly bracket and remove the fan 4 Attach the new fan to the bracket and secure it with the hardware removed in Step 3 Note the airflow orientation when attaching the new fan 5 Reconnect power to the fan 6 Adjust the thermostat to test the fan Traffic Cabinet Light Replacement 1 Turn off the circuit breaker that powers the light 2 Remove the lamp cover and lamp 3 Insert a new lamp into the asse...

Page 31: ...er stains and other signs of water intrusion in the display cabinet Seal any leaks that have developed with a silicone sealant or another suitable sealer Repair any door gaskets that have tears or missing pieces Check the drainage holes in the bottom of the cabinet for obstructions Temperature and Light Sensors At least once per year Clear away any obstructions to airflow around the temperature an...

Page 32: ... one of the following methods Wet Outdoor Cleaning Method Cleaning supplies Water 5 gal bucket Automotive detergent 4 to 8 telescoping automotive brush with soft to medium bristles Several soft terry cloth towels Cleaning process 1 Mix the automotive detergent and cold water in the 5 gal bucket at 1 oz detergent to 1 gal of cold water Distilled water is preferred but not required 2 Dip the brush i...

Page 33: ...ate type cleaner applied to a damp cloth Do not spray the cleaner directly onto the LEDs LED and Electronic Circuitry Test LED and electronic circuitry at intervals determined by customer requirements Daktronics recommends performing the tests at least monthly Perform tests on the DMS to check for hardware problems and incorrect variable settings Note The following tests display functions not othe...

Page 34: ...ut for each display Display Location Maintenance Item Service Interval Dates Performed and Initials Monthly Remote Diagnostics 1 yr As Needed 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 ...

Page 35: ...binet are on and not tripped VFC 3000 controller is bad or is not connected to the display Refer to the controller manual CAN distribution board is bad Replace CAN distribution board DC DC converter board is bad Replace failed DC DC converter board No LEDs light but the peripherals pass and the VFC 3000 controller is communicating with the central controller CAN distribution board is bad Replace C...

Page 36: ...ule light Power connector unplugged at module Plug in connector Address and signal connector unplugged at module Plug in connector Power plug terminals are not properly seated or the wire is bad Inspect all wires and terminals for power plug Repair as needed The driver is bad Replace failed driver One module is garbled too bright or too dim erratic etc Signal plug terminals are not seated well at ...

Page 37: ...Replace the thermostat or repair wiring CAN I O board is bad Replace failed CAN I O board LED brightness is wrong entire display is too bright or too dim Light sensor assembly is obstructed Clear obstruction One or more wires or terminals in the light temp control cable are misplaced open or shorted to other wires or the frame in display VFC 3000 controller or control cable from display to VFC 300...

Page 38: ... temperature sensor to test one sensor at a time Replace any bad sensors CAN I O board is bad Replace CAN I O board Temperature sensor is not configured correctly Correct the settings Refer to the controller manual One fuse indicates failure from the operator software or the VFC 3000 controller All others indicate OK Fuse blown on reported LVDB Replace blown fuse One power supply indicates bad fro...

Page 39: ... may also carry the assembly numbering format in certain circumstances This is especially true of ribbon cables PR _ _ _ _ _ _ _ denotes 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 use the label to order a replacement A typical label is shown in ...

Page 40: ...g replaced a Package the old part in the same shipping materials in which the replacement part arrived b Fill out and attach the enclosed UPS shipping document c Ship the part to Daktronics 3 A charge is made for the replacement part immediately unless a qualifying service agreement is in place In most circumstances a replacement part is invoiced at the time it is shipped 4 If the replacement part...

Page 41: ... Receive a case number before shipping This expedites repair of the part 3 Package and pad the item carefully to prevent damage during shipment Electronic components such as printed circuit boards should be placed in an antistatic bag before boxing Daktronics does not recommend using packing peanuts when shipping 4 Enclose your name address phone number the case number a clear description of sympt...

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Page 43: ...ver Board Component on the back of each module that receives data packets from the VFC 3000 controller The driver board turns the pixels on and off and controls their dimming The driver board also contains circuitry to perform pixel diagnostics Dynamic Message Sign DMS An electronic message display used on roadways to give travelers information about traffic conditions Such displays may inform of ...

Page 44: ...els RS232 Standard PC communication type with a maximum cable length of 25 7 62 meters RS422 Standard differential communication type with a maximum cable length of 4 000 1 2 kilometers Serial Port Connector on the back of the control computer that controls the display network through either a 9 or a 25 pin serial connector VFC 3000 Controller A component that receives signal information from the ...

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