LEDs on the power supply unit
This topic provides information about various power supply unit LED status and corresponding action suggestions.
One processor in processor socket 1
One memory module in slot 7
One power supply unit
One HDD/SSD drive, one M.2 drive, or one 7mm drive (if OS is needed for debugging)
Six system fans (with one processor)
The following table describes the problems that are indicated by various combinations of the power-supply unit LEDs and the power-on LED and suggested actions to correct the detected problems.
|1 Input status|
The input status LED can be in one of the following states:
|2 Output status|
The output status LED can be in one of the following states:
Zero-output mode can be disabled via Setup utility or Lenovo XClarity Controller web interface. If you disable zero-output mode, both power supplies will be in the active state.
|3 Fault LED|