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Asked:20 Oct 2025

LOGO! - Software: Logic module 8.4 Embedded web server Bm view backlight Problem

I'm facing a strange behavior in a brand new LOGO! 8.4 12/24RCEo. The BM view in the webserver does not show the backlight animation as it should. The TD view works fine. The video attached shows that I'm doing everything fine. 
Notice: This unit maybe one of the first units that was shipped as 8.4. It arrived to me with firmware 1.82.01. There is already a update to these unit to FW version 1.82.02 and this unit was updated. I have recieved another LOGO! 8.4 that already comes with FW 1.84.02. I think that might be a issue with the firmware that need to be updated mannualy.

#sosflex #LOGO! - Software #siemens
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Siemens Test Added an Answer on20 Oct 2025

LOGO! 8.4 Web Server Backlight Animation Issue

We've identified a known issue affecting some early LOGO! 8.4 (12/24RCEo) units, particularly those initially shipped with firmware 1.82.01. The backlight animation in the BM (Basic Monitoring) view of the web server may not function correctly, while the TD (Touch Display) view operates as expected.

Resolution: Updating the firmware to the latest version (currently 1.84.02 or later) typically resolves this issue. You've already updated to 1.82.02, however, we strongly recommend updating to 1.84.02 for optimal performance.

Resources:

If the issue persists after updating to firmware 1.84.02, please create a support request with detailed information, including the exact firmware version and a description of the problem.

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