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Upgrade and Maintenance Manual
TX2550 M4
Appendix A
18.2.3.3 Indicators on PSUs (slide-in units)
Figure 370: PSU status indicator (AC PSU)
Pos. Indicator
Status
Description
1
PSU status
indicator
green flashing The server is switched off, but mains
voltage is present (standby mode).
green on
The server is switched on and operating
properly.
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
0
Summary of Contents for PRIMERGY TX2550 M4
Page 6: ...Upgrade and Maintenance Manual TX2550 M4 ...
Page 36: ...36 Upgrade and Maintenance Manual TX2550 M4 Before you start ...
Page 104: ...104 Upgrade and Maintenance Manual TX2550 M4 Basic hardware procedures ...
Page 136: ...136 Upgrade and Maintenance Manual TX2550 M4 Basic software procedures ...
Page 284: ...284 Upgrade and Maintenance Manual TX2550 M4 Hard disk drive HDD solid state drive SSD ...
Page 372: ...372 Upgrade and Maintenance Manual TX2550 M4 Processor CPU ...
Page 458: ...458 Upgrade and Maintenance Manual TX2550 M4 System board and components ...
Page 480: ...480 Upgrade and Maintenance Manual TX2550 M4 Converting a floorstand model to a rack model ...
Page 516: ...516 Upgrade and Maintenance Manual TX2550 M4 Appendix A ...
Page 518: ...518 Upgrade and Maintenance Manual TX2550 M4 Appendix B ...
Page 558: ...List of all used screws for PRIMERGY Servers Assembled in Germany and Japan January 2017 ...