Appendix A
173
LED codes
CUB detected I/O error
CUB detected I/O error
This section describes I/O errors detected by the monitoring utilities chip
(MUC) on the core utilities board after power-on.
Table 18
CUB detects I/O (IOB) power fail
LED
Fault
Symptoms
Corrective action
58
Left Front
I/O Board failure
1. 3.3V or 5V dropped below
acceptable level (+12V and
-12V not monitored).
2. Core utilities board (CUB)
detected a power loss on
reported I/O board (IOB).
3. Core utilities board (CUB)
powers down the system.
Call the Response
Center.
59
Left Rear
I/O Board failure
5A
Right Front I/O
Board failure
5B
Right Rear
I/O Board failure
Summary of Contents for 9000 V2500 SCA
Page 8: ...viii Table of Contents ...
Page 12: ...xii List of Tables ...
Page 42: ...20 Chapter1 Overview V2500 V2600 Cabinet Configurations ...
Page 56: ...34 Chapter2 Indicators switches and displays System Displays ...
Page 92: ...70 Chapter4 Firmware OBP and PDC HElp command ...
Page 158: ...136 Chapter6 HP UX Operating System Stopping HP UX ...