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S&7 414 CPU and PS407 power supply BAF indication.

Created by: Shivaji Patil at: 9/26/2011 5:42 PM (7 Replies)

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9/26/2011 5:42 PM	Rate (0)
Shivaji Patil Posts: 140 Rating: (1)	Dear Expert , PS407 shows BAF LED ON as per manual it means Battery is Ok but some short circuit on the back plane. But we have ONLy PS and CPU 414 , So I removed CPU and switched on the power the PS still has the BAF led ON. I just switched OFF battery monitor switch then BAF goes. But one thing is sure CPU does not hold the Current data in case of power failure. Already I replaced the battery (Just try) with new one but no use. So what could be the solution for this? Thanks in advance.
Shivaji Patil Posts: 140 Rating: (1)
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9/27/2011 8:04 AM	Rate (0)
Amit_86 Posts: 1750 Rating: (272)	ShiRaPatil PS407 shows BAF LED ON as per manual it means Battery is Ok Hello, if BAF LED is ON then it menas that your Battery is Faulty. ShiRaPatil I just switched OFF battery monitor switch then BAF goes. it menas that you dont want to moniter the Battery Healthyness Status. During OFF Switch Status you will not get actual Battery Status. ShiRaPatil Already I replaced the battery (Just try) with new one but no use. May be the battery you installed is discharged.
Amit_86 Posts: 1750 Rating: (272)
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9/27/2011 8:20 AM	Rate (0)
Marcjan Diamond Member Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, A new battery does not shut down the Baf warning immediately. It needs to be depasivated. That takes a while. You can speed up the proces by short circuiting the poles for 1 or 2 seconds. The BAF led should now go off or the battery is empty. Regards, Marcjan
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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9/27/2011 4:12 PM	Rate (0)
Shivaji Patil Posts: 140 Rating: (1)	Dear Friends , Thanks for reply I gave tried with another battery but still the problem exists. I am sure batteries are good !!! Any thing else to checj please.
Shivaji Patil Posts: 140 Rating: (1)
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9/27/2011 7:19 PM	Rate (0)
Amit_86 Posts: 1750 Rating: (272)	Dear Shrapatil, Please check Diagnostic buffer of CPU and let us know what is mentioned there???? if possible attach Diagnsotic data here.
Amit_86 Posts: 1750 Rating: (272)
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9/27/2011 8:20 PM	Rate (0)
Wishme Posts: 80 Rating: (5)	Dear Shira, To eliminate the doubt of battery, u can give 2.7 VDC to 3.6 VDC power to the terminal on the PS407 where the battery are placed. See whether this works or not. Does ur PS work on external supply and able to give sufficient voltage and current to the CPU? The reason for quick discharge of the battery could be the shortcircuit on the backplane bus due to frequent power variation and/or disruption. Thanks, Vishal Parmar.
Wishme Posts: 80 Rating: (5)
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9/29/2011 10:00 AM	Rate (0)
Jazz_M Posts: 1121 Rating: (86)	ShiRaPatil Dear Expert , PS407 shows BAF LED ON as per manual it means Battery is Ok but some short circuit on the back plane. But we have ONLy PS and CPU 414 , So I removed CPU and switched on the power the PS still has the BAF led ON. I just switched OFF battery monitor switch then BAF goes. But one thing is sure CPU does not hold the Current data in case of power failure. Already I replaced the battery (Just try) with new one but no use. So what could be the solution for this? Thanks in advance. Hi Might sound little absurd but if you still have the battery fault then replace the battery and press the FMR switch and check it will reset the fault. Please check that If still replace the PS or change the RACK and check. Have fun....
Jazz_M Posts: 1121 Rating: (86)
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9/29/2011 11:55 AM	Rate (0)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 1/15/2026 Posts: 9105 Rating: (1204)	Dear ShiRaPatil, In addition to all the answers. Please have a look at this link: Why is a battery fault signaled when you insert a back-up battery, even though the battery is new? Best regards, Wizard

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