Symptom Starting Point
The system stops and a 4-digit number
beginning with 0 or 2 is displayed in the
operator panel display.
Go to the Fast Path MAP in the
Diagnostics
Information for Multiple Bus Systems
.
All other symptoms. Go to “Quick Entry MAP”.
Quick Entry MAP
Quick Entry MAP Table of Contents
Problem Description Page No.
Service Actions 77
A Repeating Pattern of Error Code Data Appears on the Primary I/O Drawer
Operator Panel Display
77
OK Does Not Appear in the Primary I/O Drawer Operator Panel Display
Before Pressing the Power On Button
77
There is an 8-Digit Error Code 77
System Stops With an 8-Digit Number Displayed in the Primary I/O Drawer
Operator Panel Display
78
An Error Indication in the Secondary I/O Drawer Operator Panel Display 79
System Stops With a 4-Digit Number That Does Not Begin Witha0or2
Displayed
79
System Stops With a 3-Digit Number Displayed (888 sequence, see below) 80
There is a Display Problem (Distortion, Blurring,Etc.) 80
Power and Cooling Problems 80
An 888 sequence appears in Operator Panel Display 81
Other Symptoms or Problems 81
Attention: If you replace FRUs or perform an action and the problem is still not
corrected, go to “MAP 1540: Minimum Configuration” on page 113 unless otherwise
indicated in the tables.
If you replace FRUs and the problem is corrected, go to ″MAP 410: Repair Checkout″
in the
Diagnostics Information for Multiple Bus Systems
.
76 Service Guide
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