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Sub-Zero Interior Lights Do Not Turn Off


  • Refrigerator or freezer lights do not turn off
  • Light bulbs not going off
  • Lights stay on all the time
  • Intermittent warm temperatures
  • Lights only turn off when in Sabbath Mode


  • Installation issue
  • Light switch, bulb, or socket
  • Terminator
  • Control board


    1. Make sure nothing is preventing to door or drawer from properly closing.
    2. Verify the light switch is not stuck.  Firmly press the switch to test.
    3. Turn off the power to the unit at the circuit breaker for 30 seconds. Turn on the unit and retest.

      See also:

      If these troubleshooting steps do not resolve the issue, service is necessary to expertly diagnose and repair the product. 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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