276
CHAPTER 15TROUBLESHOOTING
This chapter describes errors that may occur during system operation, the error causes, and measures against the
errors.
For a redundant system (when the Redundant CPU is used), refer to the following.
QnPRHCPU User's Manual (Redundant System)
When the system has trouble, perform troubleshooting in the following order.
• Visual inspection ( Page 277, Section 15.1)
• Error checking and corrective actions ( Page 282, Section 15.2)
Saving the program and devices at the time of an error helps to analyze the error cause.
(
Page 302, Section 15.4)
To Next Page
Loading...
