Problem Cause Possible Solution
Workstation powered off
automatically and the
Power LED flashes red
two times, once every
second, followed by a
two-second pause, and
two simultaneous beeps
are heard.
Processor thermal
protection activated:
A fan might be blocked
or not turning.
OR
The CPU heatsink is not
properly attached to
the processor.
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.
1. Check system and CPU fan cables.
2. Be sure workstation air vents are not
blocked and the cooling fan is running.
3. Open the access panel, press the power
button, and determine if the processor fan
spins. If not spinning, be sure the fan’s cable
is plugged into the system board header. Be
sure the fan is fully/properly seated or
installed.
4. Replace the processor fan.
5. Reseat CPU heatsink and verify that the fan
assembly is properly attached.
Workstation does not
power on and the LEDs
on the front of the
workstation are not
flashing.
System unable to
power on.
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.
Press and hold the power button for less than
four seconds. If the hard drive LED turns green,
then:
1. Remove the expansion cards.
2. Replace the system board.
OR
If the HDD LED does not illuminate, then:
1. Verify that the unit is plugged into a working
AC outlet.
2. Open the 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 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.
Table 6-3 Minor problems (continued)
ENWW Troubleshooting scenarios and solutions 139
To Next Page
Loading...
