Tried disconnecting all comm devices and reconnecting all, flashed nST a couple times then back to err7.
There are numerous reasons why NST is present on the Altivar Drives.
Faults which cannot be reset automatically (continued) Fault Name Probable cause Remedy. .
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fc-falcon">Altivar ® 71 Programming Guide.
. com). Cause: NST is not a fault but rather a status indicating the drive is in a freewheel stop condition.
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. Cause: The drive status is showing NST on the main display and it will not clear. telemecanique.
Environment: All. Resolution: Here are a few possible causes: (A) If a directional run command (forward or reverse) is present on power up of the drive and the drive is set for 2C (2-wire) with [trn] transition.
Configuring communication fault management _____ 21 Diagnostics_____ 22.
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177K subscribers. Index of parameter codes_____ 280.
The drive will not run. You will.
Environment: All.
com Fax 919-217-6508 DANGER HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH • Read and understand this manual before installing or operating the Altivar 61 or 71 drive.
3 SETTINGS 1. class=" fc-falcon">ATV71-simpl. LINK FLT] InF4 [INTERNAL.
. Jun 29, 2022 · For the ATV61/71 VFD only: If the drive is running, and the voltage applied to the PWR input terminal drops below +19Vdc, the drive will stop and display NST. Motor Short Circuit: the motor insulation is already failing from the standing wave spikes. Parameter codes are displayed on the integrated 7-segment display terminal in round brackets. . se.
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1755863 11/2009 3. Index of parameter codes_____ 280.
Cause: The drive status is showing NST on the main display and it will not clear.
5 IE 13 and above of the Altivar 61 firmware.
fc-smoke">May 19, 2022 · Altivar ATV31 and ATV312.
Environment: All.
3- Fils ou câble d'alimentation non blindés, liaison éventuelle vers l'inductance de ligne.