Time and Temp Client Display Blank, Surge Card Not Outputting Correct Signal Voltage

Potential Symptoms

  • Display is blank, but there is proper DC voltage to driver board.
  • Display may show E4 but unable to communicate, LED test fails.
  • Getting proper signal voltage up to surge card on wires disconnected but surge card is not outputting correct signal voltage to driver board.
    • Or getting an incorrect input signal voltage measurement while wire is connected to the surge card.
  • When surge card is bypassed display operates properly.

Environment

  • Product Family: Digit and Price Displays
  • Product: Time and Temp, DF-1010, DF-1011, DF-1012
  • Component: Surge Card
  • Control System: DM-100

Cause

  • Failed surge card.

Resolution

  • Replace surge card.
    • NOTE: Do not leave surge card bypassed or else damage may be caused to display if a surge was to occur, resulting in customer responsibility of part replacement for driver board.

KB ID: DD3279056


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

DAKTRONICS DOES NOT PROMISE THAT THE CONTENT PROVIDED HEREIN IS ERROR-FREE OR THAT ANY DEFECTS WILL BE CORRECTED, OR THAT YOUR USE OF THE CONTENT WILL PROVIDE SPECIFIC RESULTS. THE CONTENT IS DELIVERED ON AN "AS-IS" AND "AS-AVAILABLE" BASIS. ALL INFORMATION PROVIDED IN THIS ARTICLE IS SUBJECT TO CHANGE WITHOUT NOTICE. DAKTRONICS DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTIES OF ACCURACY, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. DAKTRONICS DISCLAIMS ANY AND ALL LIABILITY FOR THE ACTS, OMISSIONS AND CONDUCT OF YOU OR ANY THIRD PARTIES IN CONNECTION WITH OR RELATED TO YOUR USE OF THE CONTENT. ADJUSTMENT, REPAIR, OR SERVICE OF THE EQUIPMENT BY ANYONE OTHER THAN DAKTRONICS OR ITS AUTHORIZED REPAIR AGENTS MAY VOID THE EQUIPMENT WARRANTY. YOU ASSUME TOTAL RESPONSIBILITY FOR YOUR USE OF THE CONTENT AND ANY LINKED CONTENT. YOUR SOLE REMEDY AGAINST DAKTRONICS FOR DISSATISFACTION WITH THE CONTENT IS TO STOP USING THE CONTENT. THIS LIMITATION OF RELIEF IS A PART OF THE BARGAIN BETWEEN THE PARTIES.

The above disclaimer applies to any property damage, equipment failure, liability, infringement, or personal injury claim arising out of or in any way related to your use or application of the content, whether such claim is for breach of contract, tort, negligence or any other cause of action.