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Sub-Zero Grille Vibration


  • Loud buzzing, vibration, or rattling noise is coming from top of Sub-Zero.
  • Grille is buzzing, vibrating, or rattling.


  1. Ensure noise is not related to fan motor or compressor operation, refer to:
  2. Ensure proper grille installation:
    • For 200/300, 500, and 600 Series units:
      • Verify grille springs are securely attached to back of grille & floor of compressor area.
      • Verify grille screw is installed and securely inserted into bottom of grille.
      • Refer to the product use and care guide for further information.
    • For 648PRO units ensure grille assembly is properly attached to unit.
    • For Classic (Formerly Built-In) (BI) Series units ensure grille assembly is properly attached to unit.

Refer to the product installation guide for further installation information.


If these steps do not resolve the issue, no further troubleshooting advice is available. Contact Factory Certified Service to schedule an appointment for repair.


Need further assistance? Contact Customer Care at 800.222.7820 or provide your information below and request a Customer Care representative contact you.

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