IBM System/34 Maintenance Manual page 51

26
COMM
DPLY, PWR FAULT DPLY CHECK
ON PREY SEARCH RUN
CE panel,
n
f! 0
a
OFF STOP
CE Byte 0
Type of Failure
Priority
{j
0 0
Feature Sense Card or Cable Missing (hex 9)
Fault
0 1 0
Over Voltage (hex A)
Codes
0 0 Over Current (hex C)
0 Under Voltage (hex E)
Additional {
~
0 0 1 Feature Sense Card or Cable Missing (hex 1)
0 1 0 Over Voltage (hex 2)
Fault
0
0 0 Over Current (hex 4)
Codes
0
0
Under Voltage (hex 6)
0 0 0 1 +5V Power Supply (hex
1)
0 0 0
+8.5V Power Supply (hex 2)
0 0 1 1
+24 V Power Supply (hex 3)
0 1
0 0 -24V Power Supply (hex 4)
0 1.
0
1 +6V Regulator (hex 5)
0 0 -4V Regulator (hex 6)
0
1 1 1 -5V Regulator (hex 7)
0
o
0
+12V Feature Power Supply A (hex 8)
0 0 1 -12V Feature Power Supply A or Feature Regulator Card (hex 9)
1 0
1 0 +5V Feature Power Supply B (hex A)
1 0 1 1 Feature Power Supply C or Cable (hex B)
0 0 Feature Power Supply D (hex C)
1 1
Feature Power Supply G (hex F)
Miscellaneous Power Fault Codes
o
0 0 0 0 0 0 0
01111111
No faults since the last time AC power was restored (hex 00)
Search Complete (hex 7F)
Thermal Check Codes (Thermal Check LED on)
1 0 0 0-0 1
111111
Thermal Check when power was off (hex E 1 )
Thermal Check when power was on (hex FF)
05-432
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