75
SECTION 6
Troubleshooting
The C200HS provides self-diagnostic functions to identify many types of abnormal system conditions. These functions mini-
mize downtime and enable quick, smooth error correction.
This section provides information on hardware and software errors that occur during PC operation. It also provides trouble-
shooting charts for CPU Racks, Expansion I/O Racks, Input Units, and Output Units.
6-1 Alarm Indicators 76. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-2 Programmed Alarms and Error Messages 76. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3 Reading and Clearing Errors and Messages 76. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-4 Error Messages 77. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-5 CPU Racks and Expansion I/O Racks 81. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-6 Input Units 82. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-7 Output Units 83. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .