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CU320 2PN Maintenance required

5/9/2019 8:32 AM	Rate (0)
nonocos Advanced Member Joined: 6/13/2018 Last visit: 11/25/2025 Posts: 39 Rating: (1)	Hello, Working with S7 V5.5, into the HW-Config I have a CU320 2PN (6SL3040-1MA01-0AA0). When I go online, I have some elements like the Control Unit or one axis, where there is a green wrench logo over it. Diagnostic says : Maintenance required Error 36881 / 36872 / 36873 / 36680. What does it means ? I did not found any documentation regarding this. Despite this, the CU works fine. Best Regards
	Last edited by: nonocos at: 05/09/2019 08:32:55
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5/9/2019 8:42 AM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 1/16/2026 Posts: 22827 Rating: (3073)	Hello, do you have some screens for this? Regards Christoph

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5/9/2019 9:02 AM	Rate (0)
nonocos Advanced Member Joined: 6/13/2018 Last visit: 11/25/2025 Posts: 39 Rating: (1)	Herewith Attachment Unbenannt.JPG (120 Downloads)

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5/9/2019 10:43 AM	Rate (0)
RB91 Gold Member Joined: 4/28/2015 Last visit: 1/14/2026 Posts: 1278 Rating: (302)	Hello, I would recommend to open the drive in the commissioning tool Starter, go online with it and check the faults and warnings on the drive.
	Best regards, Robert
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