User's Manual
Table Of Contents
- Front Cover
- FOR SAFE OPERATION
- REVISION RECORD
- PREFACE
- Important Alert Items
- CONTENTS
- CHAPTER 1 GENERAL DESCRIPTION
- CHAPTER 2 SPECIFICATIONS
- CHAPTER 3 DATA FORMAT
- CHAPTER 4 INSTALLATION REQUIREMENTS
- CHAPTER 5 INSTALLATION
- CHAPTER 6 DIAGNOSTICS AND MAI TENANCE
- CHAPTER 7 ERROR ANALYSIS
- APPENDIX A SETTING TERMINALS
- APPENDIX B CONNECTOR SIGNAL ALLOCATION
- INDEX
- Addresses
- Reader Comment Form
- Back Cover

C141-E166 6-1
CHAPTER 6 DIAGNOSTICS AND MAINTENANCE
6.1 Diagnostics
6.2 Maintenance Information
6.3 Operation Check
6.4 Troubleshooting Procedures
This chapter describes diagnostics and maintenance information.
6.1 Diagnostics
6.1.1 Self-diagnostics
The IDD has the following self-diagnostic function. This function checks the basic operations of
the IDD.
• Initial self-diagnostics
• Online self-diagnostics (SEND DIAGNOSTIC command)
Table 6.1 lists the contents of the tests performed with the self-diagnostics. For a general check of
the IDD including the operations of the host system and interface, use a test program that runs on
the host system (see Subsection 6.1.2).
Table 6.1 Self-diagnostic functions