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6RA70 PMU display is not visible.

6/15/2011 6:25 AM	Rate (0)
PISCEAN 2010 Posts: 8092 Rating: (884)	Hello Experts, We have equipped with 6RA7028-6DV62-0 DC converter. Its main display on PMU isnot visible. Checked 5U1 & 5W1 supply & found OK i.e. 415 volt. What could be the problem?
PISCEAN 2010 Posts: 8092 Rating: (884)
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6/15/2011 6:47 AM	Rate (0)
KSN Diamond Expert Joined: 8/25/2006 Last visit: 1/12/2026 Posts: 2221 Rating: (282)	Hello. Have you OP1S? What it shows in this case? There are two fuses on the A7002/A7003 board (F1, F2), that protects electronic power supply, check them.
	Last edited by: KSN at: 6/15/2011 6:50 AM
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6/15/2011 7:13 AM	Rate (0)
PISCEAN 2010 Posts: 8092 Rating: (884)	Hello KSN, No, it is a standalone drive with only PMU. Yes I have checked & fuse links are OK. What else needs to be check?
PISCEAN 2010 Posts: 8092 Rating: (884)
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6/15/2011 7:30 AM	Rate (0)
KSN Diamond Expert Joined: 8/25/2006 Last visit: 1/12/2026 Posts: 2221 Rating: (282)	Is this new drive or not? If it is old, may be you can disassemble electronic box. Remove all boards from electronic box, disconnect all flat cables and reconnect and assemble all again, may be this can help. Did you try to connect to the drive with DriveMonitor? What's happen?

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6/15/2011 10:59 AM
K Vijay Posts: 13 Rating: (2)	Hi, Could you see the flat cable intactness at both sides PMU and inside CUVC Vijay
K Vijay Posts: 13 Rating: (2)
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6/15/2011 11:08 AM	Rate (0)
KSN Diamond Expert Joined: 8/25/2006 Last visit: 1/12/2026 Posts: 2221 Rating: (282)	K Vijay Could you see the flat cable intactness at both sides PMU and inside CUVC Hello. There is no CUVC in the 6RA70 drive.

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6/16/2011 11:14 AM	Rate (0)
Anakin_2009 Experienced Member Joined: 6/13/2009 Last visit: 12/28/2025 Posts: 26 Rating: (0)	there is no option except repair!!!!!!!!!! either PMU or Power borad is damaged

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