Skip to Content

Register Login

Industry Online Support

Technical Forum

Navigation

CPU416-1

Created by: farra at: 10/6/2008 11:38 AM (4 Replies)

Rating (0)

Thanks 0

5 Entries

10/6/2008 11:38 AM	Rate (0)
farra Advanced Member Joined: 10/11/2006 Last visit: 11/5/2024 Posts: 96 Rating: (2)	Dear Everybody, I faced a strange problem on S7-400 CPU416-1: Both EXTF and INTF led are blinking. even when I put a spare CPU same situation. Anybody has seen this before. Manual doesnot mention about this. Regards, farra

Suggestion To thank Quote Answer

10/6/2008 5:19 PM	Rate (0)
Denilson Pegaia Platinum Member Joined: 9/23/2005 Last visit: 11/14/2024 Posts: 4352 Rating: (1452)	Hi, I can't conclue what is the cause just with this information. However, I suggest you take a look at the Diagnostic Buffer. Look also if there is any damage pin in the central Rack.
	Denilson Pegaia Siemens Industry Sector Technical Support
Suggestion To thank Quote Answer

10/7/2008 10:34 AM	Rate (0)
farra Advanced Member Joined: 10/11/2006 Last visit: 11/5/2024 Posts: 96 Rating: (2)	Dear Pegaia, I can not access the buffer in this state. The cpu is not accessable. No damaged pin on the rack. Regards,

Suggestion To thank Quote Answer

10/7/2008 11:16 AM	Rate (0)
Aret Posts: 2348 Rating: (264)	You should contact Siemens support team i guess. Maybe FW update may help.... Did you try this CPU on another rack with another PS?
Aret Posts: 2348 Rating: (264)
Suggestion To thank Quote Answer

10/12/2008 1:46 PM	Rate (0)
farra Advanced Member Joined: 10/11/2006 Last visit: 11/5/2024 Posts: 96 Rating: (2)	Dear The problem is solved now as follows: 1. Changed the power supply PS407 2. Downloaded the firmware again to CPU But still I can not explain what went wrong!!!!! farra

Suggestion To thank Quote Answer

|

Share this page:

Share this page on...

Follow us on