What is nSt on an Altivar Process Drive display?

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Issue:
nSt on an Altivar Process Drive.

Product Line:
Altivar Process Drive (ATV630, ATV930, ATV650, ATV950, ATV660, ATV960, ATV680, ATV980)

Environment:
All Product Lines for the Altivar Process Drive

Cause:
NST = Drive state for freewheel stop.

Resolution:
Troubleshooting tips:

Check Freewheel Stop Assignment. [Complete settings] [Generic functions] [Stop configuration] [Freewheel stop ass.] If a digital input is assigned, check the state of that input.
Pushing the "STOP" key on the HMI will trigger nSt if your run command is coming from the terminal inputs. Cycle drive power to clear it.
If a run command is present when power is applied to the drive and tCt (2 wire type) is not set to LEL (level), nSt will be triggered.
- Check 2 wire type [Complete settings] [Command and Reference] [2-wire type]
If drive is in a Network setting and the parameter Control Mode [CHCF] is set to Separate or Not Separate then nSt may show until a run command is given.
Measure 24V to COM and make sure you have 24Vdc present.
Check 4-20mA Loss setting and see if it's set to freewheel stop.
Check External Error Response [Complete Settings] [Error/Warning Handling [External error] and see if it's set to freewheel stop.