Daktronics VF-2400 GEN 2 Series Скачать руководство пользователя

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Maintenance and Troubleshooting

Problem Observed

Possible Cause

Solution

Electronically controlled fans or

heaters are reported as on, but all

are off.

Circuit breaker tripped.

Reset breaker.

Relay is bad.

Replace relay.

CAN I/O board is bad.

Replace failed CAN I/O board.

Cooling fans do not run.

Circuit breaker tripped in

traffic cabinet.

Reset the breaker.

Temperature inside the

display is lower than the

thermostat setting.

This is not a problem.

The thermostat or its wiring is

bad.

Repair as needed.

CAN I/O board is bad.

Replace failed CAN I/O board.

Cooling fans run continuously.

Temperature inside the

display exceeds the

thermostat setting.

This is not a problem.

The thermostat is stuck on or

the wiring is shorted.

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-3000 controller.

Repair as needed.

Light sensor is not configured

correctly.

Correct the settings. Refer to

the controller manual.

Light sensor printed circuit

board (PCB) is bad.

Replace light sensor.

VFC-3000 controller is bad.

Refer to the controller manual.

Pixel test shows all pixels on all

display lines as bad. Display lines

play messages correctly.

Fiber or RS422 display

output RX not terminated

properly (fiber or copper

option).

Re-terminate display output

RX connections (fiber or

copper option).

VFC-3000 controller is bad.

Refer to the controller manual.

Содержание VF-2400 GEN 2 Series

Страница 1: ...C VF 2400 GEN 2 Display Manual DD3907223 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 ...

Страница 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 ...

Страница 3: ...Panel 4 CAN Distribution Board 4 CAN I O Board 5 DC DC Converter Board 5 2 4 Panelboard 5 2 5 Surge Suppressor 5 2 6 Relays 5 2 7 Sensors Network 5 External Sensor 5 Internal Sensor 5 Bottom Sensor 6 Left End Sensor Optional 6 Door Detection Optional 6 2 8 Ventilation and Heater Systems 6 Intake Fans and Filters 6 Heater Fans Optional 6 Fan RPM Sensors Optional 6 2 9 Lights Optional 6 2 10 Beacon ...

Страница 4: ...ding Screw 11 4 5 Power Connections 11 Display Termination 12 Conduit Sealing 12 Module Connection 12 Fans and Power Supplies Connection 12 4 6 Traffic Cabinet Optional 12 4 7 First Time Fire Up 13 Section 5 Maintenance and Troubleshooting 15 5 1 Service and Diagnostics 15 5 2 Module Numbering System 15 5 3 7 Segment Error Codes 16 Modules 16 LVDB 16 5 4 Internal Component Access 16 5 5 VFC 3000 C...

Страница 5: ...und Resistance 22 Display Cabinet 22 Temperature and Light Sensors 22 Fans 23 Filters 23 VFC 3000 Controller 23 Face Panels 23 Wet Outdoor Cleaning Method 23 Pressure Wash Cleaning Method 24 LEDs 24 LED and Electronic Circuitry 24 5 15 Maintenance Checklist 25 5 16 Troubleshooting 26 Section 6 Replacement Parts and Exchange and Repair Programs 31 6 1 Daktronics Part Numbers 31 6 2 Daktronics Excha...

Страница 6: ......

Страница 7: ...he cover page of each manual For example this manual is referred to as DD3907223 The serial and model numbers for the display are on the ID label attached to the display This label looks similar to Figure 1 When calling Daktronics Customer Service please have this information available to ensure timely response Daktronics builds displays for long life and they require little maintenance However fr...

Страница 8: ... board The modules activate the appropriate pixels to form the message The VFC 3000 controller also monitors local sensors display based sensors like temperature light level and door detection The VFC 3000 controller interprets sensor data for display control and diagnostic functions such as adjusting the display s intensity for current lighting conditions Auxiliary Control Panel Optional The auxi...

Страница 9: ...s 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 LVDB rece...

Страница 10: ...FC 3000 controller through a fiber optic or Cat 5 cable It then distributes the signal to the appropriate modules and sensors The CAN distribution board receives diagnostic data from the modules temperature sensors light sensors LVDBs and CAN I O board and transmits the data to the VFC 3000 controller The distribution board uses a protocol that routes signal to each horizontal line of the display ...

Страница 11: ...or another terminal such as a beacon or fan Relays receive signal from and transmit signal to the CAN I O board which communicates the relay s status to the CAN distribution board 2 7 Sensors Network External Sensor The external temperature and rear light sensor consists of a small printed circuit board PCB in a protective enclosure that mounts to the back of the display The temperature and light ...

Страница 12: ...3000 controller analyzes internal and external temperature readings from the temperature sensor network and adjusts fan usage A filter removes dust and debris from the incoming air to protect the internal display components Heater Fans Optional The heater fans mount to the bottom front of the display The heater fans warm the front face to prevent fogging The VFC 3000 controller analyzes internal t...

Страница 13: ...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...

Страница 14: ...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 12 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...

Страница 15: ...inet Do not lift the mounting structure or other additional weight Do not permanently support the display with the eyebolts Contact Daktronics with additional questions about display lifting 3 2 Setting the Display on the Ground Several wood 2 x 4 transportation skids are attached to the bottom of the display If setting the display on concrete no additional supports are needed If setting the displ...

Страница 16: ...ss steel bolts to prevent debris from filling the threads of the permanent hardware 3 4 Traffic Cabinet Mounting Ground Mounting Secure the traffic cabinet to a 24 x 30 concrete pad using anchor bolts Daktronics recommends using 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 cabin...

Страница 17: ...uipment 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 4 3 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 ...

Страница 18: ... power 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 alte...

Страница 19: ... wire to the neutral bus 3 Connect the hot wires from the terminals to the panelboard lugs 4 7 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 ...

Страница 20: ......

Страница 21: ...ktronics engineering staff for evaluation and approval or the warranty will be void 5 1 Service and Diagnostics The VF 2400 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...

Страница 22: ...e 1 Communications Lost No CAN packets received for 10 seconds 2 Failed Pixel Refer to the troubleshooting table in Section 5 16 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 No CAN packets for 10 seconds 2 Input voltage error V In 22 VDC 3 Single fuse error One fuse is blown 4 Multiple f...

Страница 23: ...the VFC 3000 controller for operation 5 6 Module Replacement Caution Modules are not hot swap components Always turn off power to the modules prior to servicing 1 Turn off power to the failed module by turning off the breakers for both power supplies in the power supply group powering the modules 2 Remove the wire connections a Press the locking tabs of the power connector and remove the connector...

Страница 24: ...ote the location and orientation of the plugs going into the LVDB on the failed power supply Disconnect the plugs going into the LVDB 4 Loosen the screws securing the power supply mounting plate to the metal truss and gently lift the power supply and mounting plate off the truss 5 Loosen the screws securing the power supply to the plate and gently lift the faulty power supply off the plate 6 Remov...

Страница 25: ...all power supplies 2 Remove all connections to the DC DC converter board 3 Remove the screws holding the board in place and remove the failed DC DC converter board 4 Position the new board in the enclosure and secure it using 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 CAN Distribution Board PC2 Re...

Страница 26: ...cooling If the fan blades have a large accumulation of dirt and debris change the filters more often Spin the fan blades with a pen or pencil to ensure the bearings are free and the fan is balanced Check the filters every year Clean the filters with water and a mild detergent such as dish soap Compressed air can be used to clean the filter provided the nozzle is held at least 6 away from the filte...

Страница 27: ...Cabinet Fan and Thermostat Assembly Replacement 1 Open the panelboard and turn off the circuit breaker supplying power to the fan and thermostat assembly 2 Disconnect the fan s power cord 3 Remove the hardware securing the finger guard and fan to the 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 orientatio...

Страница 28: ...connections of the earth ground wires if accessible Earth Ground Resistance At least once per year ensure earth ground resistance meets local and national codes Note Ground meters for this test are available for purchase from Daktronics Display Cabinet At least once per year Check for water stains and other signs of water intrusion in the display cabinet Seal any leaks that have developed with a s...

Страница 29: ...ce per year Ensure all connectors are secure and the cables are not damaged in any way Check the VFC 3000 controller 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 telescoping automotive brush with soft to medium bristles Several soft terry cloth towels Cleaning pr...

Страница 30: ...nate 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 oth...

Страница 31: ...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 ...

Страница 32: ...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...

Страница 33: ...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 ...

Страница 34: ...mostat 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 3000 controller Rep...

Страница 35: ... 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...

Страница 36: ......

Страница 37: ... 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 ...

Страница 38: ...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 does not solve the p...

Страница 39: ... 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...

Страница 40: ......

Страница 41: ...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 even...

Страница 42: ... of pixels RS232 Standard PC communication type with a maximum cable length of 25 7 62 m RS422 Standard differential communication type with a maximum cable length of 4 000 1 2 km 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 centra...

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