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Micromaster 440 and 75kw Motor not starting.

Created by: Michalborz at: 12/12/2024 8:48 PM (1 Replies)

12/12/2024 8:48 PM	Rate (0)
Michalborz Member Joined: 10/2/2018 Last visit: 2/19/2025 Posts: 1 Rating: (0)	I am experiencing an unusual issue. The mill was functioning properly until one day when the drive during the start motor began to vibrate in place and move back and forth. Has anyone encountered this problem before? I am uncertain if any parameters have been altered, but I have reviewed all settings and found nothing that would suggest a problem. Complete list of parameters attached in zip. Attachment Mill 1209pm.zip (250 Downloads)
	Last edited by: Michalborz at: 12/13/2024 15:39:44 Last edited by: Michalborz at: 12/13/2024 15:40:11
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12/13/2024 3:52 PM	Rate (0)
Tractor Gold Expert Joined: 3/27/2008 Last visit: 9/11/2025 Posts: 1216 Rating: (148)	The display does this show a fault? Disconnect the motor supply at the inverter output connections, and give the run command, the frequency should ramp up, and show a motor not connected. If this is ok, reconnect the cable and disconnect at the motor terminals, and try again, the display should show a speed increase. If the snag is the same, replace the inverter drive. ?? Has this motor encoder feedback?? Tractor
	Last edited by: Tractor at: 12/18/2024 15:27:37 Tractor
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