M
Mark BradleyAug 12, 2025
What to do if the “Fault” LED lights up on my D+H Fan?
- NNatalie BatesAug 12, 2025
If the “Fault” LED is illuminated, it indicates a memory fault, an error in the program sequence, or an oscillator fault. Try restarting the control panel. If the issue persists, contact service.

