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Sub-Zero Condenser Cleaning Instructions


  • How to clean the condenser
  • "Service" or "Vacuum Condenser" flashing
  • Sub-Zero running constantly or not cooling
  • Sub-Zero temperatures are warm or hot
  • Chemical cleaner or degreaser that can be used to clean the condenser


Clean the condenser every six to twelve months to keep Sub-Zero refrigeration products operating their best. Clean the condenser more often if pets are present. Do not bend the aluminum fins of the condenser. Follow specific product condenser cleaning instructions below.

  • Condenser cleaning chemicals and degreaser are available from several suppliers and online. They are not necessary to clean a Sub-Zero condenser and are not recommended by Sub-Zero.

To determine what model a product is, refer to Sub-Zero Serial Tag Locations.

Condenser Cleaning Instructions by Product Line

Classic Series (BI) Condenser Cleaning:

Designer Series (IT, IC) Condenser Cleaning:

Designer Wine (IW) Storage Condenser Cleaning:

PRO 36 and PRO 48 Condenser Cleaning:

Undercounter Condenser Cleaning:

700 Series Condenser Cleaning:

600 Series and 500 Series Condenser Cleaning:

200 and 300 Series Condenser Cleaning

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

If temperatures do not return to the setpoint within 24 hours of cleaning the condenser, or if Vacuum Condenser returns, 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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