137
SECTION 6
Error Processing
This section covers the procedures for handling errors and alarms during Position Control Unit operation. It includes er-
ror codes, alarm codes, error and alarm indicators, troubleshooting from the PC, and AR area Restart bits. For a complete
list of alarm codes, see Appendix A. For a list of error codes, see Appendix B.
6–1 Alarms and Errors 138 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6–2 Outputs to the IR Area 138 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6–3 Alarm/Error Indicators 138 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6–4 Error Code Output 138 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6–5 Troubleshooting from the PC 140 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6–5–1 Error List for Special I/O Units 140 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6–5–2 AR Area Error and Restart Bits for Special I/O Units 140 . . . . . . . . . . . . .
6–6 Basic Troubleshooting Chart 141 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6–7 Detection of Abnormal Pulse Outputs 143 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .