Steady LED
Possible control failure or open fuse (family-dependent)
This code typically points to
- Control internal fault
- Open board fuse
- Power supply issue
Next checks to confirm
- Check board fuse
- Verify 24V power
- Consult model-specific manual for steady LED behavior
Escalation
Board-level fault indicator if fuse and power check out.
Reset behavior
Depends on specific fault condition.
Service Soon
Schedule repair