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186
Upgrade and Maintenance Manual
BX900
S2
Appendix
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13.3.2.3 Indicators on the hot-plug power supply units
Figure 79: Indicators on the hot-plug standard PSU
Figure 80: Indicators on the hot-plug HE PSU
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 PSU but the latter is still active.*
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3