Fujitsu BX900 S1 User Manual

78

Operating Manual

 BX900 S1

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06

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If the front or back ID/error LED is flashing orange (see 

), one of the following errors may have occurred:

The status LED of the power supply unit is not lit and/or the error LED of the 
power supply unit flashes green if, for example, one of the following errors has 
occurred in the power supply unit (see also 

):

–

General failure (warning or shutdown due to fan no. 1)

–

Temperature exceeded (one of the fans in the power supply unit is not 
working properly)

–

Overcurrent

–

Overvoltage or undervoltage

–

The power supply unit is reaching the end of its life or its ambient thresholds 
are being exceeded.

Ê

Check the status of the power supply unit and/or the fan-failure LEDs to 
identify the defective module and replace it (see 

).

Although the system can still be used if one of the fans in the fan module fails, 
you should:

Ê

Replace the defective fan module as soon as possible (see 

 and 

The error LED of the switch blade lights up when a general error occurs.

Ê

Check the error LEDs of the switch blades to find out which blade has failed.

Ê

If the switch blade is still being shown as defective, replace it (see 

).