Closed Damper 1 Fault

What does Fd1 mean?

This fault indicates that the damper is locked in a closed position, preventing proper air flow or ventilation, which can lead to overheating or process issues. The drive typically locks in this fault mode.

• Damper is locked in closed position.
• Incorrect settings for damper feedback or relay control (F130, F132, F583).

Click steps to track your progress.

1. 1

   Set parameter [Damper flt behavior] (F583) to 0 (No fault).

2. 2

   Check the FL relay connection (FLA/FLB terminals) for proper wiring.

3. 3

   Verify the relay configuration using parameters F130 ([RY Relay Function 1]) and F132 ([FL Relay Function]).