On the remote, quickly press to open the Service Menu. Select Reset All or Reset Shop . 🌐 Online System Update
If your 3RT841B is still running pre-2021 firmware, schedule a maintenance window as soon as practical. The improvements in uptime, safety, and diagnostic accuracy will pay for themselves within months. Always download firmware directly from Siemens, and never skip the release notes. 3rt841b firmware 2021
On the remote, quickly press to open the Service Menu. Select Reset All or Reset Shop . 🌐 Online System Update
If your 3RT841B is still running pre-2021 firmware, schedule a maintenance window as soon as practical. The improvements in uptime, safety, and diagnostic accuracy will pay for themselves within months. Always download firmware directly from Siemens, and never skip the release notes.