Troubleshooting Guide - SD Card Failure

stopsign.jpgThe steps outlined, if performed incorrectly, may result in equipment failure. Do not attempt these steps without proper training and understanding of product operation. Consult a Daktronics support technician if you need assistance.


Potential Symptoms

  • Display goes through start up sequence and then either shows MEMORY ERROR on the display face or the display is blank.
  • Memory is at 13MB when viewed in M2Config/VLMS.
  • Failed to transfer Guid.dat file error occurs when connecting to the display with M2Config.

Venus 1500 v4 Software Symptoms:

  • Unable to publish content to the display but can get status.

Visiconn Software Symptoms:

  • Visiconn shows display not connected (RED).
  • Visiconn will not upload content.

Show Control Software Symptoms

  • Unable to send messages through Display Studio.
  • M3 File Manager will not transfer files.
  • The Display studio status is green with no errors but when a quick display button is pressed the status turns red, and the M3 controller status changes to not responding.


  • Product Family: Message Display, Sports Products, Billboard
  • Product: Galaxy: AF-3500, AF-3550 (Standard & GNet), AF-3700, Billboard: ValoPlay, Scorer's Table: ST-2014, ST-2016, Sports Star: SS
  • Component: M3 controller
  • Control System: Venus 1500 V4, Visiconn, Show Control


  • Memory card is not recognized by controller.

Remote Troubleshooting steps

  1. Connect to the Controller.
    • Use M2Config for Galaxy Products.
    • Use VLink Management (VLMS) for ValoPlay products.
  2. Select the Status tab .
    1. Locate the Storage section and note the Total Memory.
    2. If the Total Memory is at 13.00 MB or less the controller is not picking up the SD card.
    3. Perform a Clear Sign Memory Reset and Defragment on the controller using M2Config/VLMS.  These functions are located under the Tools tab.  KB - Display shows MEMORY ERROR or is blank, Controller memory is at ~13MBs, Resolution 1 of 3, DD2501074.
      • If these steps don’t resolve the issue remotely then Onsite (access to the display) troubleshooting will be needed.  It is recommended if travel to site is needed to bring a controller board.

Onsite Troubleshooting steps

  1. Power down the controller.  Note: Never remove or unseat the memory card while the display is powered on!
  2. Take out the SD card, make sure that the contacts are clean and not dirty.
  3. Reinsert the SD card and apply power back to the controller.
  4. When the Controller is powered back on connect to it and check the storage amount to see if its more than the 13.00 MB. KB - Display shows MEMORY ERROR or is blank, Controller memory is at ~13MBs, Resolution 2 of 3, DD2093966.
  5. If the Controller is still reading 13.00 MB or less for the total memory, the Controller will need to be replaced.  KB - Display shows MEMORY ERROR or is blank, Controller memory is at ~13MBs, Resolution 3 of 3, DD2452770.

Related Articles

KB ID: DD2791677

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DISCLAIMER: Use of this content may void the equipment warranty, please read this DISCLAIMER prior to performing any service of the equipment.