# FW Update on 751-9412 CC100 Secure

**URL:** <https://www.wago.community/t/fw-update-on-751-9412-cc100-secure/2878>\
**Category:** Hardware and Linux\
**Tags:** how-to, cc100\
**Created:** [September 16, 2026, 8:04pm UTC](https://www.wago.community/t/fw-update-on-751-9412-cc100-secure/2878 "2026-09-16T20:04:23Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ChristianBelote](https://sea2.discourse-cdn.com/flex016/user_avatar/www.wago.community/christianbelote/32/1762_2.png) [@ChristianBelote](https://www.wago.community/u/ChristianBelote)\
**Post date:** [September 16, 2026, 8:04pm UTC](https://www.wago.community/t/fw-update-on-751-9412-cc100-secure/2878/1 "2026-09-16T20:04:23Z")

</div>

The FW-Update to FW04 will fail, if Date and Time are not set correctly.​

 ![image](https://us1.discourse-cdn.com/flex016/uploads/wago/original/2X/0/02d961f88fbcdb6ad867066f6a88aaf39f838f5a.png)

Set correct Date and Time before YOCTO FW update to FW04

 ![image](https://us1.discourse-cdn.com/flex016/uploads/wago/original/2X/9/9b88931fba3c0422ba7e9a9d4809a4701c327943.png)