Driver Board randomly freezes, resetting AC power resolves the issue temporarily

Potential Symptoms

  • Driver seems to lock-up, freeze, or otherwise blank the outputs randomly. Cycling the AC power solves the problem, but the issue comes back within a few days.
  • Amber Status LED on the driver is not flashing with a regular heartbeat.

Environment

  • 0P-1150-0126 16 Column Driver
  • All Sport 3000
  • All Sport 5000

Cause

  • AC Wiring fault. The hot and neutral connections are reversed prior to the point where they enter the display.

Verification

  • Using a digital multi-meter, check the AC voltage between the┬áNeutral (white wire) terminal of the power entrance cable and the ground (green wire) of the display. A normal reading would be very close to 0 Volts. If you obtain a reading of approximately 120 Volts, the problem has been verified.

Resolution

  • Contact a licensed electrician to inspect the building wiring up to the display for any hot/neutral reversals.

A hot/neutral reversal can be an electrocution hazard. If possible, disconnect power to the affected display until the fault can be corrected.

KB ID: DD3246496


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.