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Sub-Zero Control Display Is Dark

Topics:

  • Sub-Zero control panel is blank
  • No information appears on control panel display
  • Control panel lights are out
  • No display
  • Sub-Zero display is dim

Cause:

  • Unit is turned off
  • Light terminator has activated
  • Light bulbs are out
  • Light switch is in need of replacement
  • Loose connection
  • Loose comm cable

Troubleshooting:

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