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UF LED in FM458

Created by: drive master at: 10/29/2014 9:07 AM (2 Replies)

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10/29/2014 9:07 AM	Rate (0)
drive master Regular Member Joined: 1/28/2009 Last visit: 5/21/2017 Posts: 21 Rating: (0)	Dear all in my project we have FM 458 in redaundant , i have this led blinking yellow (UF) , what is the meaninig of this error . with my best regards

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10/29/2014 12:14 PM	Rate (0)
KSN Platinum Expert Joined: 8/25/2006 Last visit: 11/15/2019 Posts: 1938 Rating: (210)	Hello. This LED means user error, which is called by USF function block. Look for this at themanual, you should find this FB in your program and check the reason of this error.
	Last edited by: KSN at: 10/29/2014 12:15 PM Last edited by: KSN at: 10/29/2014 12:15 PM
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5/23/2017 9:34 AM	Rate (0)
The Helping Hand Moderator Joined: 8/21/2014 Last visit: 10/11/2019 Posts: 555 Rating: (12)	New question published by aliaskari is split to a separate thread with the subject User error in FM458 after MMC change . Best regards The Helping Hand

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