Sub-Zero Error Code EC50 and Service Flashing

Cause:

  • Excessive refrigerator compressor run

Core Issue:

  • Error code EC 50 and Service flashing on display
  • How to reset EC50 flashing
  • Panel is flashing, toggling between numbers and EC with a service light

Steps to Verify Issue:

  1. If temperatures are high and it is not likely a door ajar situation, contact Factory Certified Service.
  2. If temperatures are near normal:
    • Clean the condenser.
    • Press and hold the door ajar alarm key for 15 seconds to clear the error code.
    • Do not clear the error code if temperatures are not near normal, do not return to normal, or continue to rise.
    • If a service call is required, service will need to see the error code logged by the system.
  3. For Integrated products, make sure the kickplate is not completely covered by a custom toe kick or enclosed in custom cabinetry.
    • Even if unit has worked like this for years, it can cause issues including sealed system failure.
    • Refer to the Sub-Zero Design Guide for design specifications.

Answer:

If the error code or Service returns or temperatures rise, no further troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair.

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