Specifications

Symptom Action
Service Actions
You have parts to exchange or a corrective
action to perform.
1. Go to Chapter 9, “Removal and
Replacement Procedures” on page 299.
2. Go to ″MAP 410: Repair Checkout″ in
Diagnostic Information for Multiple Bus
Systems
.
You need to verify that a part exchange or
corrective action corrected the problem.
Go to ″MAP 410: Repair Checkout″ in
Diagnostic Information for Multiple Bus
Systems
.
You need to verify correct system operation. Go to ″MAP 410: Repair Checkout″ in
Diagnostic Information for Multiple Bus
Systems
.
A Repeating Pattern of Error Code Data Appears on the Operator Panel Display
A sequence of displays, each appearing for 5
seconds, repeats continuously as follows: A
blank display, followed by an 8-digit error code,
followed by up to nine full panels of dump data.
1. Record the 8-digit error code seen after the
five second blank display.
2. Reset the service processor via the pinhole
reset.
3. Go to ″Checkpoints and Error Codes Index″
“Checkpoint and Error Code Index” on
page 100 with the error code you have
recorded.
OK does not appear in the operator panel display before pressing the power on button
A bouncing or scrolling ball remains on the
operator panel display, or the operator panel
display is filled with dashes.
If an ASCII terminal IS available, connect it to
the system through serial port 1.
1. If the service processor menu is displayed:
a. Replace the operator panel assembly.
Refer to “Operator Panel” on page 341.
b. Replace the system board. Refer to
note 3 on page 37.
2. If the service processor menu is not
displayed, replace the system board. Refer
to note 3 on page 37.
If an ASCII terminal is NOT available, replace
the following, one at a time.
1. Operator panel assembly. Refer to
“Operator Panel” on page 341.
2. System board. Refer to note 3 on page 37.
You have a blank display on the operator panel. Go to “MAP 1520: Power” on page 48.
8-Digit Error Codes
You have an 8-digit error code displayed in the
operator panel display or on the console.
Record the error code. Go to Chapter 5, “Error
Code to FRU Index” on page 99.
System Stops With An 8-Digit Number Displayed
The system stops with an 8-digit error code
displayed in the operator panel display or on
the console.
Record the error code. Go to Chapter 5, “Error
Code to FRU Index” on page 99.
Chapter 3. Maintenance Analysis Procedures
39