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battery replacement P/N simatic s7-400

11/27/2012 11:57 AM	Rate (0)
isurya Posts: 107 Rating: (0)	Hi, I have SIMATIC S7-400 with CPU 412-2 ( 412-2XJ05-0AB0 ) and POWER SUPPLY MODULE ( P/N : 407-0KA02-0AA0 ) At the moment on the PS MODULE ( 407-0KA02--0AA0 ) there are 2 ( two ) LED ACTIVE : BATT1F and BATT2F. Please inform me what are they means ? is it BATTRY LOW ? IF the battery problem, HOW MANY BATTERY I habve to REPLACE & how to replace it ? Please inform me the P/N for the battery because I want to order it. Regards, indra Attachment s7400.JPG (630 Downloads)
isurya Posts: 107 Rating: (0)
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11/27/2012 12:36 PM	Rate (0)
Marcjan Diamond Member Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, first of all, do not shutdown the powersupply! That will cause loss of data/program. Both battery's are empty and should be replaced. You will find more information about the battery in attached part off manual. Regards, Marcjan Attachment battery.pdf (1265 Downloads)
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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This contribution was helpful to 1 thankful Users SAGAR HANDE

11/27/2012 2:06 PM	Rate (0)
isurya Posts: 107 Rating: (0)	Hi, In the normal condition, theseLED BATT1F & BATT2F should be OFF, is it correct ?
isurya Posts: 107 Rating: (0)
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11/27/2012 5:12 PM	Rate (0)
Marcjan Diamond Member Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, Yes, that's correct. If you have placed new batterys it may take a while before the Leds go off. you can speed up things by shorten the battery poles for 1 sec. There is a switch to reset the bat. faillure(FMR) Do not switch off the battery check, you will not get a warning in future if you forget that switch. Regards, Marcjan
	Last edited by: Marcjan at: 11/27/2012 5:17 PM Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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