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Problem Solutions and Tips
Fault Clearing
12.1
Problem Solutions and Tips
The following sections describe irregularities which can be observed on the
storage subsystem in case of faults. Their possible causes are named and there
are instructions for fault clearing.
12.1.1 Power Supply Indication (Front)
If the power supply indication is green the device is switched on and the power
supply and power supply units are OK.
12.1.1.1 Power supply indication remains dark
Power cable not connected correctly
Ê
Ensure that the power cable on the storage subsystem and the safety socket
are connected correctly.
Power supply units defective
Ê
Check the LEDs of the power supply units.
If the operating indication (green LED) is dark on the power supply units and
the error indication (amber LED) is on, the power supply units are defective.
Ê
Replace the power supply units.
12.1.1.2 Power supply indication is yellow
One of the installed power supply units has failed
Ê
Check which one of the power supply units has failed. On the rear panel of
the storage subsystem there is an amber LED and a green LED on all the
power supply units. If only the amber LED is ON, the power supply unit is
defective or the power supply don’t receive power.