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648PRO Displays Error Code 91


  • Error code 91 indicated on model 648PRO, Pro Series
  • Error 91 showing on the control, display panel of 648PRO
  • EC 91


  • Non-standard or extended error code
  • Represents issues with the lights


See also, 648PRO Lights Stay on When Doors Are Closed.


Error code 91 on a Pro Series 648PRO indicates a problem with the lighting system.

No troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair.


Need further assistance? Contact Customer Care at 800.222.7820 or provide your information below and request a Customer Care representative contact you.

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