Skip to main content

M Series Oven USB Communication Fault | 6C30 Error


  • Fault code, error code 6C30
  • 6C30 shown on control panel
  • M Series Oven shows 6C30
  • USB communication fault


  • USB communication fault


  1. Turn the home circuit breaker to the unit off for 30 seconds then back on again.
  2. Retest the unit operation.
  3. If the steps above do not resolve the issue, no further troubleshooting advice is not available for this fault code. 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.

Ask Your Question

We're standing by with answers

Whether you're shopping for appliances or have questions about those you already own, we've got the resources you need. Talk directly to a customer care expert at the Sub-Zero, Wolf, and Cove service center, or connect with an appliance consultant at an official showroom near you. Get quick answers online, or reach a certified service provider or installer. And much more.


Call us at (800) 222-7820