HP 7936 Support Manual page 13

Contents (continued)
Troubleshooting Strategy ................................................................................... 8-1
Self-Test Diagnostics ......................................................................................... 8-1
Diagnostic Switch ......................................................................................... 8-2
Run Time Mode ....................................................................................... 8-2
Diagnostic Mode ...................................................................................... 8-2
LED Disp]ay .............................................................................................. 8-3
Assembly Id.entification .................................................................................. 8-3
CS/80 External Exerciser .................................................................................... 8-3
Error Logs ................................................................................................... 8-4
Error Rate 'fest (ERT) Log ............................................................................... 8-4
R un Time Log ............................................................................................ 8-4
Fault Log ................................................................................................. 8-5
Error Codes .................................................................................................. 8-5
TERRORS ................................................................................................ 8-6
DERRORS ................................................................................................ 8-6
Servo Controller Error Codes ............................................................................ 8-6
Data Error Troubleshooting ................................................................................. 8-7
Checking Power Supply Voltages ............................................................................ 8-7
Servo Test Point PCA ....................................................................................... 8-8
Read/Write Test Point PCA ................................................................................. 8-8
Chapter 9
Replaceable Parts
Page
9-1
Introduction ................................................................................................. 9-1
Ordering Information ........................................................................................ 9-1
Service Kit Contents ......................................................................................... 9-2
Chapter 10
Reference
Page
10-1
Controller
PCi\-A6 ......................................................................................... 10-1
Chapter 11
Product History
Page
11-1
Introduction ................................................................................................ 11-1
11