DEC 4000 AXP Service Manual page 207

Table B–1 (Cont.) Power System Controller Fault ID Display
Fault ID Display (Hex)
DC–DC Converter Faults
E100
E110
E111
E112
E113
E114
E115
E120
E121
E122
E123
E124
E125
E130
E131
E132
E133
E134
E135
E140
E141
E142
E143
E144
E145
Meaning
Delta overvoltage fail between +5v and +3v
converters
2.1V converter—out of regulation, low
2.1V converter—out of regulation, high
2.1V converter—under voltage
2.1V converter—over voltage
2.1V converter—voltage present when disabled
2.1V converter—did not turn off
3.3V converter—out of regulation, low
3.3V converter—out of regulation, high
3.3V converter—under voltage
3.3V converter—over voltage
3.3V converter—voltage present when disabled
3.3V converter—did not turn off
5.0V converter—out of regulation, low
5.0V converter—out of regulation, high
5.0V converter—under voltage
5.0V converter—over voltage
5.0V converter—voltage present when disabled
5.0V converter—did not turn off
12V converter—out of regulation, low
12V converter—out of regulation, high
12V converter—under voltage
12V converter—over voltage
12V converter—voltage present when disabled
12V converter—did not turn off
Power System Controller Fault Displays B–5
FRU
DC5, DC3
DC3
DC3
DC3
DC3
DC3
DC3
DC3
DC3
DC3
DC3
DC3
DC3
DC5
DC5
DC5
DC5
DC5
DC5
DC3
DC3
DC3
DC3
DC3
DC3
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