What to do if the “Fault” LED lights up on my D+H Fan?
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.
Why is the “Communication” LED lit on my D+H Fan?
The “Communication” LED illuminates when there is an interrupted radio connection to the LST / LSR. Check the LST/LSR components to resolve this issue.
How to reset the “Service timer” LED on a D+H Fan?
If the “Service timer” LED lights up permanently, it indicates a service timer status. To resolve this, set DIP switch 1.8 to OFF for a minimum of 3 seconds.
What to do if no LED lights up on my D+H Fan?
If no LED lights up, it indicates an interruption of the 230 V mains voltage. Check the mains fuse in the fuse box.
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