Skip to main content

Downdraft Chimney Raises or Lowers When Not in Use


  • Downdraft chimney raises or lowers on its own when not in use
  • Downdraft chimney rises without the blower motor running
  • Downdraft lowers without touching controls


  • Improper installation
  • Downdraft chimney out of alignment
  • Gear motor
  • Crank assembly
  • Faulty user interface (control) or communication cable
  • Electrical supply issue


  1. If the downdraft was recently installed, ensure the installation is completed to specification. Refer to:
  2. Reset power at the power supply source.
  3. Unplug the communication cable from the Downdraft and the control.
  4. Plug the communication cable back into the Downdraft and the control.
  5. Ensure the grille and filters are installed properly. See Cooktop Downdraft (DD) Use and Care Guide.


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.

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