Applicable Systems
Vacon 100
Symptoms
Device unknown: unrecognized device on bus.
Possible Causes
- Unrecognized device on bus
- Device firmware mismatch
- Configuration file outdated
Troubleshooting Steps
- Step 1: Identify the unknown device
Device identified - Step 2: Update device firmware
Firmware compatible - Step 3: Update configuration
Configuration current
How to Reset
Auto-clear after device is recognized.
Source: Vacon NXP Quick Guide, Danfoss/Vacon
Category: PLC & VFD