IBM PS/2 CL57 SX Hardware Maintenance Reference page 9

IBM PS/2 Model CL57 SX HMS
How to Use Error Messages
1.3 How to Use Error Messages
Use the error codes displayed on the screen to diagnose failures. If more
than one error code is displayed, begin the diagnosis with the first error
code. The cause of the first error code can result in false error codes
being displayed. If no error code is displayed, see if the error symptom
is listed in the "Symptom-to-FRU Index" in topic 11.0.
¦ Copyright IBM Corp. 1992
1.3 - 1