Warnings; Overtemperature Warning; Overtemperature Troubleshooting Procedure - HP 3000 Series Handbook

For HP Internal Use Only
Table 5-9. Boot and System Initialization Failures (continued)
CAUSE/SYivfPTOM
4. All front panel LEDs lit?
Warnings
Overtemperature Warning
ACTION
System failed to initialize properly. Perform the following
procedures until the problem is solved.
a. Cycle Power (depress and release power switch two times).
b. Replace the CPU Card. Check for proper system operation.
c. Replace the Multifunction I/0 Card. Check for proper system
operation.
d. Back-out all system I/0 boards from backplane.
If the system initializes, insert one I/0 board at a time and check
for proper initialization of the system. Do this until the problem
reoccurs, then replace that I/0 board.
e. Disconnect the power connectors of all internal peripherals.
Check for proper system initialization.
If the system initializes, connect one peripheral at a time and
check for proper initialization of the system. Do this until the
problem reoccurs, then replace that device.
f. Replace the power supply.
g. Replace the backplane.
h. Contact the Hewlett-Packard Response Center for further
assistance. Refer to the "Calling the Response Center" section for
more information.
Table 5-10. Overtemperature Troubleshooting Procedure
CAUSE/SYMPTOM
ACTION
Is the room temperature too high? YES Restore room to normal temperature. Check that room air
conditioning is operating properly .
5-14 Troubleshooting
NO
a. Make sure there is sufficient air flow around the system.
b. Check the fan movement. If fan is not moving, replace the
power supply unit.
c. Possible bad sensor on power supply.