Cub Detected I/O Error; Table 18 Cub Detects I/O (Iob) Power Fail - HP 9000 V2500 SCA Operator's Manual

Table 18
LED Fault
58 Left Front
I/O Board failure
59 Left Rear
I/O Board failure
5A Right Front I/O
Board failure
5B Right Rear
I/O Board failure

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.
CUB detects I/O (IOB) power fail
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.
Appendix A
Symptoms
LED codes
CUB detected I/O error
Corrective action
Call the Response
Center.
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