Diagnostic error codes
This sections provides an overview of the diagnostic lights and error codes that are related to your
workstation.
Diagnostic light codes
NOTE The beeps are heard through the chassis speaker. The blinking LEDs and beeps repeat
for five cycles. After that, only the blinking LEDs repeat.
Table 5-2 Diagnostic LED codes
Chassis Indicator LEDs
Power LED and Sound
Activity
Diagnosis and Service Action
None
CAUTION Disconnect AC power from the workstation before reseating or replacing
components because there is power to the system board even when the workstation
is powered down.
System does not power on. Press power button. If HDD LED = GREEN, then:
1. Remove expansion cards one at a time.
2. Replace the system board.
OR
If HDD LED does not illuminate, then:
1. Verify that the unit is plugged into a working AC outlet.
2. Open access panel, and verify that the power button harness is properly connected to the
inline front panel I/O device assembly connector.
3. Verify that the power supply cables are properly connected to the system board.
4. Verify the power supply functionality.
a. Disconnect AC power.
b. Remove all internal power supply cables from the system board.
c. Plug in AC power.
●
If the power supply fan spins and the BIST* LED lights, then the power supply
is good. Replace the system board.
●
If the power supply fan does not spin or the BIST* LED does not light, replace
the power supply.
Blinks red/beeps two times,
once per second, then two-
second pause
Thermal shutdown.
1. Ensure that the workstation system air vents are not blocked and the cooling fan is running.
2. Open the access panel, press power button, and see if the processor fan spins. Check
both fans for a dual-processor workstation. If the processor fan is not spinning, make sure
the fan's cable is plugged into the system board header. Ensure the fan is fully/properly
seated or installed.
ENWW Diagnostic error codes 107
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