Topics:

• Downdraft clicking or grinding as chimney raises or lowers
• Downdraft chimney drops down, no longer lowers slowly
• Downdraft unstable, wobbles, hesitates, shakes, vibrates when raising or retracting

Cause:

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

Troubleshooting:

1. If Downdraft recently installed, make sure installation completed to specification. Refer to:
   • Downdraft Ventilation (DD) Installation Guide
   • Downdraft Installation Restrictions
   • Sealed Burner Rangetops Installed with a Downdraft
2. Turn the home circuit breaker to the unit off for 10 seconds then back on again then retest the unit operation.
3. Unplug the communication cable from the Downdraft & control; plug the communication cable back into the control and Downdraft.
4. Make sure nothing is prohibiting path of Downdraft chimney.
5. Make sure grille and filters are installed properly; refer to Downdraft Ventilation (DD) Use and Care Guide.
6. Do not attempt to manually force the Downdraft down into position.
7. See also, 14" Downdraft Will not Retract.

Answer:

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