- Frozen drain tube
- Food particles clogged in drain tube
- Drain heater failure
- Temperature or performance issues
- How to clean a freezer drain tube if it is frozen, clogged, or dirty?
- Freezer drawer slides are covered in ice.
- Freezer continues to frost over after unit has been defrosted.
- Ice forming on side of freezer wall, covering slides or drawers.
- Freezer drain tube requires frequent cleaning.
Steps to Verify Issue:
- Fix error codes, messages, or service indicators first.
- Ensure condenser is cleaned, see Clean the Condenser.
- Verify temperatures are properly set using Refrigerator and Freezer Temperature Settings.
- Inspect door/drawer gasket for damage and replace if needed.
- Replace gasket if needed, contact Factory Certified Service to schedule an appointment for repair.
- Defrost freezer section, see Manually Defrost a SubZero for instructions.
- For 500 and 600 Series units, see 500 or 600 Series Freezer Drain Tube Cleaning
- The freezer drain tube is not accessible to clean.
- Freezer drain tube is most often frozen, not clogged, if it is blocked.
- Do not disconnect the drain tube.
- Do not to put anything down the tube such as a brush or wire, it could pierce the tube and lead to a larger problem.
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