Table 3–12 (Cont.) PSC Error Codes
Error
Code
PSC
OK
PSC
Failure
Error Description
E018
Off
On
Unimplemented opcode interrupt occurred (invalid
instruction)
E019
Off
On
Masked interrupt occurred (HSI FIFO 4th entry)
E020
Off
On
Masked interrupt occurred (Timer 2 capture)
E021
Off
On
Masked interrupt occurred (Timer 2 overflow)
E022
Off
On
PSC bias supply failed (NMI occurred)
E023
Off
On
Invalid interrupt number (>31) received from 8259
E024
Off
On
IRQ4 occurred (slave 0 to master 8259)
E025
Off
On
IRQ5 occurred (slave 1 to master 8259)
E026
Off
On
IRQ6 occurred (slave 2 to master 8259)
E027
Off
On
Masked IRQ13 occurred (FEU DIRECT 48 became OK)
E028
Off
On
Masked IRQ14 occurred (FEU SWITCHED 48 became
OK)
E029
Off
On
Masked IRQ16 occurred (FEU POWER became OK)
E030
Off
On
External interrupt test, not enabled (IRQ22)
E031
Off
On
External interrupt test, bit not set (IRQ22)
E032
Off
On
Masked IRQ25 occurred (OCP DC ON, turned on)
E033
Off
On
Masked IRQ26 occurred (PSC DC ON, turned on)
E034
Off
On
Invalid converter number (start of enable_converter
procedure)
E035
Off
On
Invalid converter number (end of enable_converter
procedure)
E036
Off
On
Invalid converter number (start of disable_converter
procedure)
E037
Off
On
Invalid converter number (end of disable_converter
procedure)
E047
Off
On
Unused error condition
E078
Off
On
Unused error condition
E079
Off
On
Unused error condition
E086
Off
On
Unused error condition
E087
Off
On
Unused error condition
E088
Off
On
Unused error condition
E091
Off
On
Unused error condition
E092
Off
On
Unused error condition
E093
Off
On
Unused error condition
E094
Off
On
Unused error condition
E095
Off
On
Unused error condition
E096
Off
On
Unused error condition
E097
Off
On
Unused error condition
(continued on next page)
System Maintenance 3–17