Dell R420, E18S001 owner manual Hard-drive indicator Condition, Electrical indicator Condition

Hard-drive indicator

Condition

The indicator lights green to indicate hard-drive activity..

Electrical indicator

Condition

The indicator blinks amber if the system experiences an electrical error (for example, voltage out of range, or a failed power supply or voltage regulator).

Corrective Action

None required.

Corrective Action

See the System Event Log or system messages for the specific issue. If it is due to a problem with the power supply, check the LED on the power supply. Re-seat the power supply by removing and reinstalling it. If the problem persists, see Getting Help.

Temperature indicator

Condition

The indicator blinks amber if the system experiences a thermal error (for example, a temperature out of range or fan failure).

Memory indicator

Corrective Action

Ensure that none of the following conditions exist:

•A cooling fan is removed or has failed.

•System cover, cooling shroud, EMI filler panel, memory-module blank, or back-filler bracket is removed.

•Ambient temperature is too high.

•External airflow is obstructed.

See Getting Help.

Condition

The indicator blinks amber if a memory error occurs.

Corrective Action

See the system event log or system messages for the location of the failed memory. Reinstall the memory device. If the problem persists, see Getting Help.

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