Filter
Top Products
Appendix A 171
LED codes
CUB detected memory power fail
CUB detected memory power fail
This describes covers memory errors detected by the monitoring utilities
chip (MUC) on the core utilities board after power-on.
Table 16 CUB detects memory power fail
LED Fault Symptoms Corrective action
40 MB0L Power Fail 1. 3.3V dropped below
acceptable level.
2. Core utilities board (CUB)
detected a power loss on
reported memory board
(MB).
3. Core utilities board (CUB)
powers down the system
Call the Response Center.
41 MB1L Power Fail
42 MB2R Power Fail
43 MB3R Power Fail
44 MB4L Power Fail
45 MB5L Power Fail
46 MB6R Power Fail
47 MB7R Power Fail