Updated Date: 05/29/2026
Platform Diagnostics overview
Platform Diagnostics is a hardware diagnostic utility that runs on F5 rSeries systems running F5OS software. The Platform Diagnostics utility continually tests hardware components, such as the hardware accelerator, hard drives, and PCI devices. You can find test results in QKView and iHealth.
You can also view log files containing comprehensive debug information in the /log/host/appliance.log file.
For more information on viewing event logs, see the section for your system that covers viewing diagnostic information.