Daktronics FB-2025 Display Manual

Also see for BA-1518: Service manual Installation manual Service manual Installation manual Installation manual

Contents

Daktronics FB-2025 Display Manual Manual pdf 44 page image

38 TNMC & Electronic Caption Troubleshooting & Maintenance6.2 Initialization Information at StartupEvery time the display is powered up and there is no All Sport® signal present, the displaywill run through an initialization process, during which it will test all LEDs and addresses.First, the message center will display the proper address number.If the entire display fails at startup, power may not be properly connected, or the addresssetting may not be correct on the display driver. Check both in the event of a failure.6.3 Display Troubleshooting TableThe table below lists potential problems with the display and indicates possible causes andcorrective actions. This list does not include every symptom that may be encountered, but itdoes present several of the most common situations that may occur.Many of the solutions offered below provide references to other sections within this manualwith further detail on how to fix the problem.If a problem occurs that is not listed or that cannot be resolved using the solutions in thefollowing table, contact Daktronics using the information provided in Section 7.Symptom/Condition Possible RemedyOne or more LEDs on a singlemodule fails to lightCheck/replace the ribbon cables on the module.Replace the module (see Section 6.7).One or more LEDs on a singlemodule fails to turn offCheck/replace the ribbon cables on module.Replace the module (see Section 6.7).A section of the display notworking; section extends all theway to the right side of the displayCheck/replace the ribbon cables running to the first modulethat is not working.Replace the first module/driver on the left side of the firstmodule that is not working (see Section 6.7).Replace the second module that is not working(see Section 6.7).Replace the power supply assembly on the first module thatis not working (see Section 6.8).One row of modules does not workor is garbledReplace the first module (see Section 6.7).Replace the display driver (see Section 6.6).A group of modules that share thesame power supply assembly failsto workReplace the power supply assembly (see Section 6.8).Entire display fails to workCheck for proper line voltage into the power terminationpanel (see Section 4.2).Check/replace the ribbon cable from the display driver to themodules.Check the voltage settings on the power supplies.Check/replace the signal cable to the driver.Repair/replace the driver (see Section 6.6).