Promise Technology VTrack M-Class M200i - Manual (Page 297)

Chapter 8: Troubleshooting
289
Enclosure Problems
WebPAM PROe displays yellow !s red Xs in Tree View to identify
components that need attention.
When a yellow ! appears over a Subsystem in Tree View, click on the
Enclosure icon. The Enclosure screen will display (below).
In this example, a power supply fan has stopped turning, indicating a failure. The
Enclosure Diagram displays color and motion changes to identify a failed fan. In
this case, you must replace the power supply.