Table 3-8
Blink
Sequence
Number
1
2
3
4
5
6
If the FANS LED is ever stuck either ON or OFF, a system problem has
occurred. This system problem is most likely an I
potential fix may be to check that the power supply cables are correctly
plugged in. If this does not work, call you local HP Support
Representative.
Blink Sequences for the FANS LED
LED Blink Sequence
(black dot represents 0.1 second LED on; white dot
is 0.1 second LED is off)
System Controller Non-error Blink Sequences
System Controller Error Blink Sequences
Chapter 3
Using the System Board LEDs for Troubleshooting
Troubleshooting Your System
2
C bus hang. A
Description
System controllers
normal heart beat.
This is a transient state
shown by the system
controller at power up.
System controller's
transient state. There is
no system problem.
System controller shut
off power to the system
because the ambient
temperature exceeded
60˚C or 140˚F.
System controller
detects a fan failure. If
this happens you need
to read the message in
the LCD on the front
of the workstation.
System controller is
reporting an error.
69