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648PRO Replace Filter Message


  • What does REPLACE FILTER message mean?
  • Why does REPLACE FILTER appear?
  • Water filter on 648PRO replaced but "REPLACE FILTER" light does not turn off


  • Water filter manifold, filter sensor, or electrical issue if filter light persists




    Filter Information

    The "REPLACE FILTER" message indicates that the water filter has expired and needs replacement.

    • The water filter is part number 4204490.
    • The "REPLACE FILTER" message appears in the freezer user display in the grille area.
    • "REPLACE FILTER" should clear when the filter is removed and the new filter is installed.
    • This model does not have an air filter.

    If the "REPLACE FILTER" message does not clear:

    1. Make sure filter is seated properly.
    2. Remove and install filter.
    3. If these steps do not resolve the issue, no further troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair.

    Recommended Accessories

    Additional Resources

    For information about other products, see also:

    Replacement water filters can be ordered from the Sub-Zero Accessory Store or from a Factory Certified Parts Distributor.


    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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