Chapter 5
Troubleshooting
Identifying and Diagnosing Hardware Problems
92
Table 5-7 System Board Warnings
System
LED
LED 1 LED 2 LED 3 LED 4 Problem Solution
Flashing
Yellow
Green Green Red Off Battery
voltage low
Replace the system board
battery.
Table 5-8 Fan Warnings
System
LED
LED 1 LED 2 LED 3 LED 4 Problem Solution
Flashing
Yellow
Green Off Off Red Cooling Unit 1
(PSU) is not
functioning
properly
Replace the fan that is not
functioning.
a
Flashing
Yellow
Off Green Off Red Cooling Unit 2
(memory) is
not functioning
properly
Replace the fan that is not
functioning.
a
Flashing
Yellow
Off Off Green Red Cooling Unit 3
(CPU) is not
functioning
properly
Replace the fan that is not
functioning.
a
a. Refer to “Removing and Replacing Components” in the hp Integrity rx1620 Maintenance Guide for
detailed instructions on the maintenance action.
Table 5-9 Processor Warnings
System
LED
LED 1 LED 2 LED 3 LED 4 Problem Solution
Flashing
Yellow
Red Red Green Off Processor 0
temperature
exceeds limit
Make sure nothing is blocking the
system’s airflow and locate your
system in an air-conditioned room.
Flashing
Yellow
Red Red Off Green Processor 1
temperature
exceeds limit
Make sure nothing is blocking the
system’s airflow and locate your
system in an air-conditioned room.
Table 5-10 Temperature Warnings
System
LED
LED 1 LED 2 LED 3 LED 4 Problem Solution
Flashing
Yellow
Red Green Green Red External air
temperature
too high
Make sure nothing is blocking
the system’s airflow and locate
your system in an
air-conditioned room.