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BX900 S1 Operating Manual 135
Hot-plug components
8.4.2 Replacing the power supply unit
If a power supply unit fails, an error message is output on the LocalView display.
The defective power supply unit can be replaced during operation.
V CAUTION!
CAUTION! The power supply unit can be very hot!
Ê Check the power supply unit LEDs on the back of the system unit (see
figure 16 on page 66) to find out which unit is defective.
Ê First unplug the power cable of the defective power supply unit from the
mains.
Ê Unplug the power cable from the insulated socket of the defective power
supply unit.
Figure 51: Open release lever
Ê Unlock the locking lever (1) and open the release lever (2).
2
1