Fujitsu PRIMERGY RX2540 M1 Operating Manual page 73

Indicators on the hot-plug power supply unit
Figure 20: Indicator on hot-plug power supply unit
1 Indicator on hot-plug power supply unit (two colors)
Flashes green when the server is switched off, but AC voltage is
present (standby mode).
Lights up green when the server is switched on and functioning
properly.
Flashes orange in case of overload, but the power supply unit is still
running.
Lights up orange in case of PSU failure, overvoltage / undervoltage,
overtemperature, fan fail.
RX2540 M1
Operating Manual
Starting up and operation
73