Chapter 5
Troubleshooting
Identifying and Diagnosing Hardware Problems
94
Flashing
Red
Red Green Green Green Bad
Memory.
One or more
DIMMs are
bad or not
seated
properly.
Reseat the DIMMs. If the error
persists, replace them.
Table 5-15 Firmware Errors
System
LED
LED 1 LED 2 LED 3 LED 4 Problem Solution
Flashing
Red
Off Red Off Off System
Firmware
Hang
View the SEL for additional
information. For further
assistance, contact your HP
Support Engineer.
Table 5-16 System Board Faults
System
LED
LED 1 LED 2 LED 3 LED 4 Problem Solution
Flashing
Red
Off Green Red Off VRM
overvoltage
View the SEL for additional
information. For further
assistance, contact your HP
Support Engineer.
Flashing
Red
Green Off Red Off VRM
undervoltage
View the SEL for additional
information. For further
assistance, contact your HP
Support Engineer.
Table 5-17 Fan Faults
System
LED
LED 1 LED 2 LED 3 LED 4 Problem Solution
Flashing
Red
Green Off Off Red Cooling Unit
1 (PSU) fault
Replace the fan that is not
functioning.
a
Flashing
Red
Off Green Off Red Cooling Unit
2 (memory)
fault
Replace the fan that is not
functioning.
a
Flashing
Red
Off Off Green Red Cooling Unit
3 (CPU) fault
Replace the fan that is not
functioning.
a
Table 5-14 Memory Faults (Continued)
System
LED
LED 1 LED 2 LED 3 LED 4 Problem Solution