Applicable Systems
FC-30
FC-51
FC-101
FC-202
FC-302
Symptoms
Device change detected on the bus.
Possible Causes
- Device parameter set changed
- Device replaced with different model
- Bus reconfiguration
Troubleshooting Steps
- Step 1: Verify device configuration matches expected
Configuration consistent - Step 2: Update bus mapping if needed
Mapping updated - Step 3: Confirm device model compatibility
Model compatible
How to Reset
Auto-clear after configuration is verified.
Source: Danfoss VLT FC-302 Operating Guide, Danfoss A/S
Category: PLC & VFD