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66 Operating Manual BX900 S1
Installation and operation
© cognitas. Gesellschft für Technik-Dokumentation mbH 2010 Pfad: C:\Programme\FCT\tim_app\tim_local\work\WALTER\OBJ_DOKU-4950-006.fm
5.1.2.2 Indicators on the hot-plug power supply units
Figure 16: Indicators on the hot-plug power supply unit
1 Error indicator for fan module 1 (orange)
Lights up if fan module 1 is defective.
2 Mains power indicator (two-color)
Flashes green when the system unit is switched off but still
connected to the mains (standby mode).
Lights up green when the system unit is switched on and is working
properly.
Lights up yellow when a prospective error has been detected in the
power supply unit but the latter is still active.*
3 Error indicator for fan module 2 (orange)
Lights up if fan module 2 is defective.
* The following events are detected as predictable errors:
The temperature is very high.
The power consumption is very high.
The current strength is very high.
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