Sporadic error message DF21 (BU watchdog)

​Corrected from:
  • Inverter Drives 8400 StateLine V21.00.00
  • Inverter Drives 8400 HighLine V21.00.00
  • Inverter Drives 8400 Topline V21.00.00
Response of the new version:
The function restriction has been removed.
 
What happens?
BU watchdog error (DF21) occurs sporadically.
 
When does this behaviour occur?
The behaviour occurs when using the SLPSM control mode and SW version > V17.00.00.00 and < V21.00.00.00.
 
Which products are affected?
  • Inverter Drives 8400 StateLine
  • Inverter Drives 8400 HighLine
  • Inverter Drives 8400 Topline
Short-term measures:
Use SW version V17.00.00.00 and select the switching frequency (C00018) 4kHz drive-optimised.
 

URL for linking this AKB article: https://www.lenze.com/en-de/go/akb/201900241/1/
Metadaten
Taxonomy: 8400 StateLine frequency inverters , 8400 HighLine frequency inverters , 8400 TopLine frequency inverters
AKB-ID: 201900241
Last update: 2023/09/09
Category: Versions-Informationen

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