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LEDs of CU320

4/19/2011 4:55 AM	Rate (0)
SKG Posts: 135 Rating: (3)	Hi Experts, It will highly be appreciated if you kindly tell me why the LED RDY, DP1 and OPT are in on states simultaneously. In the commissioning manual it has been mentioned in a table of load software 1 that it is in reset status. But to me it is not much helpful. Would you please let me have some more informations on this state and how it can be brought in normal state. Regards, Shyamal
SKG Posts: 135 Rating: (3)
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4/19/2011 11:39 AM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 1/20/2026 Posts: 22829 Rating: (3074)	Hello, when the tree LED's are simultaneously then the CU is in the bootphase and after this state the FW from the CF Card ist loaded. If this state ist permanent then the it can be a problem with the CF Card or the FW ist wrong or there is no FW on the CFl. Which CU do you have (CU320, CU320-2) and which FW is on the CF Card? Is this a SIEMENS CF Card for SINAMICS CU or another CF? Regards Christoph

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4/19/2011 12:50 PM	Rate (0)
SKG Posts: 135 Rating: (3)	Dear Christoph, Thank you very much for the reply. The CU320 is 6SL3040-0MA00-0AA1 and CF card is 6SL3054-0CG01-1AA0 (02.06.02.09). 1. I have checked the CF card in another CU and found working normally. 2. I have put another CF card in this CU and this time I have found DP1 and OPT LEDs glowing with red color. I have also observed that at the moment the CU is being switched on the above two leds begins to lit instantaneously and has been stuck to this state. Regards, Shyamal
SKG Posts: 135 Rating: (3)
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4/19/2011 2:33 PM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 1/20/2026 Posts: 22829 Rating: (3074)	Hello, have the CU's do you use the same HW Version? When yes then i think the one CU is defect. Regards Christoph

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5/12/2017 10:54 AM	Rate (0)
Min_Moderator Posts: 4757 Rating: (122)	New question published by brbee is split to a separate thread with the subject CU320-2DP, when power on the RDY is RED and other LEDs are Yellow. Best regards Min_Moderator
Min_Moderator Posts: 4757 Rating: (122)
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