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Appendix A 167
LED codes
Power on detected errors
03 FPGA not OK 1. Core Utilities Board (CUB)
monitoring utilities chip
(MUC) problem.
2. MUC cannot get correct
program transfer from
EEPROM on power up.
• Cycle the node power
using the Key switch.
• Call the Response
Center.
04 dc OK error
(Upper Left)
1. Power supply is reporting
failure (dc OK) after
keyswitch is turned on, but
prior to CUB power on
sequence.
2. This is the first of two or more
supplies reporting failure.
Call the Response Center.
05 dc OK error
(Upper Right)
1. Power supply is reporting
failure (dc OK) after
keyswitch is turned on, but
prior to CUB power on
sequence.
2. This is the first of two or more
supplies reporting failure.
Call the Response Center.
06 dc OK error
(Lower Left)
1. Power supply is reporting
failure (dc OK) after
keyswitch is turned on, but
prior to CUB power on
sequence.
2. This is the first of two or more
supplies reporting failure.
Call the Response Center.
07 dc OK error
(Lower Right)
1. Power supply is reporting
failure (dc OK) after
keyswitch is turned on, but
prior to CUB power on
sequence.
2. This is the first of two or more
supplies reporting failure.
Call the Response Center.
LED Fault Symptoms Corrective action