RX2520 M4
Upgrade and Maintenance Manual 405
16.2.3.3 Indicators on PSUs (slide-in units)
Figure 285: PSU status indicator (AC PSU)
Pos. Indicator Status Description
1
PSU status
indicator
green
flashing
The server is switched off, but AC voltage is
present (standby mode).
green on
The server is switched on and operating
normally.
orange
flashing
An overload has been detected. The PSU is
still running, but failure might be imminent.
orange on
An PSU failure has been detected. Possible
causes:
– Over/under voltage
– Overheating
– Fan failure
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