Applicable Systems
FC-30
FC-51
FC-101
FC-202
FC-302
Symptoms
Unknown device on the bus.
Possible Causes
- Unrecognized device on bus
- Device firmware mismatch
- Configuration file outdated
Troubleshooting Steps
- Step 1: Identify the unknown device
Device identified and recognized - Step 2: Update device firmware if needed
Firmware compatible - Step 3: Update configuration files
Configuration current
How to Reset
Auto-clear after device is recognized.
Source: Danfoss VLT FC-302 Operating Guide, Danfoss A/S
Category: PLC & VFD