BX900 S2 Upgrade and Maintenance Manual 187
Appendix
13.3.2.4 Indicators on the fan modules
Figure 81: Indicators on fan module
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.
1 Error indicator for fan unit 1 (orange)
Lights up if fan unit 1 is defective.
2 Power indicator
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 the fan
module is working properly.
3 Error indicator for fan unit 2 (orange)
Lights up if fan unit 2 is defective.
1 2 3
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