nw run
Not While Running (Parameter change)
Danfoss · VLT Micro Drive FC 51
What does nw run mean?
An attempt was made to change a parameter that can only be modified when the motor is stopped. This protection mechanism prevents configuration changes that could cause instability, erratic behavior, or damage to the motor or driven equipment during operation.
Additional Steps
Steps 1–2 are listed in Priority Fix.
- 3
If controlling via remote communication, send a stop command to the drive and wait for it to fully halt before issuing the parameter write command.
- 4
Plan parameter adjustments during scheduled downtime to avoid operational interruptions.
Source: Danfoss VLT Micro Drive FC 51
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