648PRO Replace Filter Message


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


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

Steps to Verify Issue:

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.


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

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

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