DEC 4000 AXP Service Manual page 206

Table B–1 (Cont.) Power System Controller Fault ID Display
Fault ID Display (Hex)
PSC Module Faults
E029 + PSC fault LED on
E030 + PSC fault LED on
E031 + PSC fault LED on
E032 + PSC fault LED on
E033 + PSC fault LED on
E034 + PSC fault LED on
E035 + PSC fault LED on
E036 + PSC fault LED on
E037 + PSC fault LED on
E040 + PSC fault LED on
E041 + PSC fault LED on
E042 + PSC fault LED on
E043 + PSC fault LED on
B–4 Power System Controller Fault Displays
Meaning
Masked IRQ16 occurred (FEU POWER became
okay)
Masked IRQ29 occurred (unused FEU signal)
Masked IRQ30 occurred (unused FEU signal)
Masked IRQ25 occurred (OCP DC ON—turned
on)
Masked IRQ26 occurred (PSC DC ON—turned
on)
Invalid converter number (start of enable_
converter procedure)
Invalid converter number (end of enable_
converter procedure)
Invalid converter number (start of disable_
converter procedure)
Invalid converter number (end of disable_
converter procedure)
PSC 8584 self-address register did not program
PSC 8584 clock register did not program
PSC 8584 interrupt vector register did not
program
PSC 8584 control register did not program
FRU
PSC
PSC
PSC
PSC
PSC
PSC
PSC
PSC
PSC
PSC
PSC
PSC
PSC
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