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Clean the Condenser


  • 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 Instructions by Product Line

Classic (formerly Built In) Condenser Cleaning

Designer (formerly Integrated) Condenser Cleaning

PRO Condenser Cleaning

Undercounter Condenser Cleaning

427 and 427R Models Condenser Cleaning

430 Models Condenser Cleaning

500 Series Condenser Cleaning

501 Models Condenser Cleaning

601 Models Condenser Cleaning

600 Series Condenser Cleaning

700 Series Condenser Cleaning

200/300 Series Condenser Cleaning

Related Topics

Refer to the product Use and Care Guide for further information. If the unit has temperature issues, contact Factory Certified Service to schedule an appointment for repair if temperatures do not return to the setpoint within 24 hours of cleaning the condenser.

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