Sub-Zero Gurgling or Hissing Noise

Topics:

  • Why is there a gurgling noise coming from the refrigerator, freezer, or wine storage unit?
  • Why is there a hissing noise coming from the Sub-Zero when the door is closed?
  • A service technician suggested increasing the unit's temperature to resolve the noise
  • Refrigerant noise, freon hissing, Designer (formerly Integrated) noise

Steps to Verify Issue:

A gurgling or hissing noise from a Sub-Zero can be attributed to a number of things, such as a partially plugged drain tube, water drainage during the defrost cycle, or evaporator operation. Such noises are usually considered normal operation.

Answer:

If the issue persists, no further troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair.

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