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mm440-Fan application

11/15/2012 4:24 PM	Rate (0)
acabhi Posts: 6 Rating: (0)	RAJKIRAN Dear Expert, We are facing problem in couple of drives Micro master -440 6SE6440-2UD24-0BA1 initially there is alarm A 0911 & after running for some time it gives F0002 fault. Which is dc link over voltage this problem came after power fluctuation in all there are 6 drives of same rating but only two drives are tripping on over voltage fault. Threshold for dc link over voltage i.e. P 2172 is 800 for all the drives. Please suggest what could be the problem. Dear Experts, requst your support for similar problem,(mm440-Fan application) for one of our customer for avoiding under voltage while small dip we activated the KIB.But one of the drive started tripping on over voltage.We reduced the Swith on level kinetic buffering (p1245) to 69% still drive is tripping in over voltage. I am notable to understant the issue.More than 300-400 v boosting in short time.Is it possible to control the voltage. Backup attached here. form the back up it is found that the slip r0330 is 31.33.It will effect anywhere in KIB.At what rate drive will reduce the running frequency while KIB enabled. Please support Thanks in advance ABHI Attachment Backup.zip (166 Downloads)
acabhi Posts: 6 Rating: (0)	Last edited by: O_Moderator at: 11/19/2012 11:26 AM new subject after splitting from /tf/WW/en/Posts/61215#top
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12/11/2012 7:05 PM	Rate (0)
KonradR Posts: 97 Rating: (3)	hi i did came across similar issue ,what was caused by a power failure due to the storm while drive wasin run mode and end up with replacement of the inverterit wasnt 440 series but F0002 kept coming back every so often after this incydent. (power stage failure)
KonradR Posts: 97 Rating: (3)
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