Yaskawa MP920 User's Manual Design - Manual (Page 496)

12 Troubleshooting
12.2.1 Overview of System Errors
12-6
12.2 System Errors
This section describes system error details and remedies.
12.2.1 Overview of System Errors
Indicators on the front panel of the CPU Module indicate the operating and error status of
the MP920. Used the system (S) registers to get for more details on errors. Carefully check
system register details to figure out the failure location and implement corrections.
The following sections describes the system register in more detail.
„ System Register Allocation
The following illustration shows the configuration of the system registers.
* See 12.2.4 System Register Configuration for details.
SW00000 System - Service Registers
SW00030 System Status*
SW00050 System Error Status*
SW00080 User Operation Error Status*
SW00090 System Service Execution Status
SW00100 Interrupt Input Error Status
SW00110 User Operation Error Status, Details*
SW00200 System I/O Error Status
SW00424 Reserved for the System
SW00500 System Analysis Status
SW00530 Reserved for the System
SW00600 System Operation Error Status
SW00620 Reserved for the System
SW00800
SW01023
Reserved for Optional Modules