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Use the following table to determine your starting point.
Symptom Action
Service Actions
You have parts to exchange or a corrective
action to perform.
1. Go to Chapter 7, “Removal and
Replacement Procedures” on page 7-1.
2. Go to "MAP 0410: Repair Checkout" in the
Diagnostics Information for Multiple Bus
Systems.
You need to verify that a part exchange or
corrective action corrected the problem.
Go to "MAP 0410: Repair Checkout" in the
Diagnostics Information for Multiple Bus
Systems.
You need to verify correct system operation. Go to "MAP 0410: Repair Checkout" in the
Diagnostics Information for Multiple Bus
Systems.
System Stops or hangs with alternating numbers displayed in the Operator Panel display.
The Operator Panel display alternates between
the code "E1FD" and another "Exxx" code.
Record both codes. Go to the entry for "E1FD"
on page 3-23.
The Operator Panel display alternates between
the codes "E1DE" and "E1AD".
Record the error codes. Go to the entry for
"E1DE" on page 3-21,
System Stops with an Error or Checkpoint Code Displayed
The system stops with an 8-digit error code
starting with the number "2" displayed on the
system console.
Record the error code. Go to Chapter 3, “Error
Code to FRU Index” on page 3-1.
The system stops and a 4-digit number
beginning with the characters "FF" is displayed
in the operator panel display.
Go to “MAP 1540: Minimum Configuration” on
page 2-17.
The system stops and a 4-digit number
beginning with the character "E" is displayed in
the operator panel display.
Record the code. Go to “Firmware
Checkpoints” on page 3-14.
The system stops and a 4-digit number not
beginning with the characters "FF" or "E" is
displayed in the operator panel display.
Record SRN 101-xxx, where xxx is the last
three digits of the 4-digit number displayed, then
go to the "Fast Path MAP" in the Diagnostics
Information for Multiple Bus Systems.
The system stops and a 3-digit number is
displayed in the operator panel display.
If the number is 000, 185 or 888, go to “MAP
1540: Minimum Configuration” on page 2-17.
Record SRN 101-xxx, where xxx is the number
displayed, then go to the "Fast Path MAP" in
Diagnostics Information for Multiple Bus
Systems.
2-2 7046 Model B50 Service Guide