Troubleshooting R&S SMB
1407.0806.82 3.12 E-6
Problems with Booting
• Error: Unit does not start the application
After switch-on, the signal generator first runs the Boot Loader. The Boot Loader displays the R&S Logo.
The Boot Loader loads the FPGAs on the Basis Board and on the RF Board. After successful initialization
of the computer (approx. 10 seconds), the LINUX operating system starts up and displays the
background picture. Subsequently, the application is loaded. During loading, several progress bars are
shown on the display.
All software of the R&S SMB is stored in an on board flash memory. There are no serviceable hardware
parts related to mass memory. The only possible service action is the reinstallation of firmware, which
requires at least some basically working computer and firmware.
Normal action Error, possible causes and corrective action
Start signal generator
R&S Boot Screen does not disappear
Error: The operating system (LINUX) does not
start.
Reinstall the firmware of the device. If this does
not solve the problem, replace the Basis Board.
R&S Boot Screen (left: software version 2.05.165 or later)
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