Contents
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ix
Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
European Union (EU) Statement ........................... xv
Electronic Emission Notices .............................. xv
Trademarks and Service Marks ........................... xvi
Product Safety Information ............................. xvii
General Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Service Inspection Safety Procedures ...................... xvii
Service Inspection Safety Procedures for the 3745, 3746-900, and Controller
Expansion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
Control Panel LED Status Versus 3746-900 States .............. xxx
3745/3746-900 Power Supply CP/CB and Fuse Reference .......... xxx
Controller Expansion Fuse Reference ...................... xxx
Sicherheitsüberprüfungen für IBM 3745, 3746-900 und die Erweiterung der
Steuereinheit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxxi
Einführung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxxi
Bedeutung der LEDs am Bedienungsfeld der 3746-900 ............ xlii
Stromversorgung der 3745/3746-900, Sicherungsautomaten (CB),
Überstromschutzschalter (CP) und Sicherungen (F) ............. xliii
Sicherungen der Erweiterung der Steuereinheit ................. xliii
Safety Label Locations ............................... lvii
Safety Labels on the 3745 ............................. lvii
Safety Label on the 3746-900 ........................... lix
Safety Label on LCB ................................ lix
3745/3746-900 Safety Label Identifications .................... lx
LCB Safety Label .................................. lxii
Controller Expansion Label Location ....................... lxii
Safety Label Part Numbers by Country ..................... lxiii
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . lxv
About this Manual .................................. lxv
Who Should Read this Manual .......................... lxv
How this Manual Is Organized ........................... lxv
Summary of Changes ............................... lxvii
Chapter 1. START: How to Begin Troubleshooting .............. 1-1
Console Use for Maintenance ........................... 1-1
Service Processor Window Overview ........................ 1-3
Selection Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3745 Maintenance Actions ............................. 1-6
Problems During Machine, EC, or MES Installation ................ 1-7
Selection Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Symptom Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
General Verbal Symptoms ............................. 1-8
Copyright IBM Corp. 1989, 1997 iii