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.
Flashing
Yellow
Off
Off
Green
Red
Cooling Unit 3
(CPU) is not
functioning
properly
Replace the fan that is not
functioning.
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.