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600 Series Error Code 20


  • 600 Series displays 20
  • Error code 20 is displayed on 600 Series
  • 600 20
  • EC20
  • EC 20


  • Defrost underheat with no voltage feedback through gray/white wire at defrost start


Error Code 20 indicates an issue with the freezer defrost terminator.

  • Customer troubleshooting is not available for this issue.
  • Service is needed to expertly diagnose and repair the unit. 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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