Topics:

• Banging, buzzing, clicking, rattling or vibration noise coming from compressor area of Sub-Zero
• Compressor or condenser fan motor is making noise
• Compressor makes a loud noise when running

Troubleshooting:

It is normal for a Sub-Zero to make a number of noises during operation.

1. Banging, buzzing, clicking, rattling, vibration, humming, fan motor noise are all considered normal.
2. Noises may be more pronounced in a home with an open concept, or at night.
3. If noise is loud, new, louder or more pronounced over time, or unit performance or temperatures have been negatively affected, clean the unit's condenser. Refer to Clean the Condenser or the product Use and Care Guide for further information.
4. Make sure noise is not related to fan motor or compressor operation. See also:
   • Condenser Fan Motor Operation
   • Compressor Run Time
   • Refrigerator or Freezer Noises
   • Sub-Zero Grille Vibration Noise
5. If the noises change over time, or become louder, no further troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair.

See also:

• Sub-Zero Ice Maker or Water Valve Noise
• Sub-Zero Gurgling or Hissing Noise