Display shows MEMORY ERROR or is blank, Controller memory is at ~13MBs, Resolution 1 of 3

This article is the 1st resolution that should be done to try and correct the issue.  For all other resolutions follow Troubleshooting Guide - SD Card Failure, DD2791677.

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.



  • Display goes through start up sequence and then shows MEMORY ERROR on the display face or the display is blank.
  • Memory is at 13MB when viewed in M2Config/VLMS or Venus 1500.
  • 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.


  1. Perform a Clear Sign Memory reset on the Controller.
  2. Defrag the controller memory.

Note: Both the above steps can be done within the Venus 1500 or M2Config/VLMS utility.

Additional References

KB ID: DD2501074

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