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Dell PowerEdge T30 Owner's Manual

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Power on LED indicator codes

Power on LED system diagnostics indicator codes

The Power on indicator button has a dual color Light Emitting Diode (LED) that is on the front panel of the system. This indicator functions as a system diagnostic LED.

NOTE: The diagnostic LED is active and visible only during the POST process. Once the operating system starts to load, it is no longer visible.

Amber LED blinking scheme — The pattern is 2 or 3 blinks followed by a short pause then x number of blinks up to 7. The repeated pattern has a long pause inserted in the middle. For example 2, 4 = 2 amber blinks followed by a short pause, and then 4 amber blinks followed by long pause. Then, the pattern is repeated.

Table 1. Power on LED system state indicator codesThe following table describes the power LED diagnostics
Amber LED state	White LED state	Description
off	off	system is OFF
off	blinking	system is in sleep state
blinking	off	power supply unit (PSU) failure
steady	off	PSU is working but failed to fetch code
off	steady	system is ON

Amber LED blinking scheme — The pattern is 2 or 3 blinks followed by a short pause then x number of blinks up to 7. The same pattern is repeated after a long pause. For example 3, 5 = 3 amber blinks followed by a short pause, and then 5 amber blinks followed by long pause. Then, the pattern is repeated.

Table 2. Power on LED system diagnostics indicator codesThe following table describes the Power on LED system diagnostics indicator codes
Amber LED state	Description
2, 1	system board failure
2, 2	system board, PSU or PSU cabling failure
2, 3	system board, memory or CPU failure
2, 4	coin cell battery failure
2, 5	corrupt BIOS
2, 6	CPU configuration failure or CPU failure
2, 7	memory modules are detected, but there is a memory failure
3, 1	possible peripheral card or system board failure
3, 2	possible USB failure
3, 3	no memory modules are detected
3, 4	possible system board error
3, 5	memory modules are detected, but a memory configuration or compatibility error
3, 6	possible system board resource and/or hardware failure
3, 7	some other device failure with messages on screen