Fujitsu PRIMERGY TX2540 M1 Operating Manual page 76

Starting up and operation
Indicator of hot-plug power supply unit (450 W and 800 W PSU module)
Figure 14: Indicator on hot-plug power supply unit
1 Indicator of hot-plug power supply unit (bicolor)
450 W power supply unit and 800 W power supply unit
Flashes green when the server is switched off, but mains voltage is
present (standby mode).
Lights up green when the server is switched on and functioning
properly.
Lights up orange in case of OCP/OVP or when the fan of the power
supply unit has failed.
76 Operating Manual
TX2540 M1