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Sub-Zero Classic Series Refrigeration Condenser Cleaning


  • How do you clean the condenser?
  • "Service" or "Vacuum Condenser" is flashing
  • Classic series (BI) model is running constantly or not cooling
  • Is there a chemical cleaner or degreaser that can be used to clean the condenser?


Clean the condenser with a vacuum cleaner or soft brush every six to twelve months. Failure to clean the condenser could result in temperature loss or mechanical failure or damage.

To Clean the Condenser:

  1. Press Power on the control panel to turn the unit off.

  2. Hold the center of the grille assembly at the bottom, then lift and rotate the grille up to expose the condenser area.

  3. Remove the water filter for easier access if needed. Either twist it or push it in to remove it.
  4. Use a soft bristle brush attachment on a vacuum to remove dust and lint from the condenser area. 
    • A paint brush, air compressor on a low setting, or a can of compressed air also work to clean the condenser. 
    • If there is a build-up of dust or debris behind the screen that the vacuum does not reach, blow the condenser clean with a can of compressed air or an air compressor on a low setting.
  5. If these steps do not resolve the issue, no further troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair. Share any service indicators and current temperatures with the service company.

Refer to the product Use and Care Guide for further information.

For information about other models, refer to Sub-Zero with "Vacuum Condenser" or "Service" Flashing or Sub-Zero Condenser Cleaning Instructions.


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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