Yaskawa MP930 - Manual (Page 268)

9.2 System Errors
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9.2.3 Processing Flow When a User Program Error Occurs
A serious failure has probably occurred if the RUN and ERR indicators are lit on the front panel
of the MP930. Use the following procedures to check the error program.
1. Check by Type of Serious Failure Error
Check the contents of SW00050 (Error Type) to determine if the error is a system error
or a user program error.
2. Check by Type of Error Program
Check the contents of SW00055 (Program Type) to determine if the error occurred in a
drawing or in a function.
3. Check the Error Drawing
Check the contents of SW00054 (Error Task) and SW00056 (DWG No.) to find the error
drawing.
4. Check the Error Function
The error occurred in a function if SW00056 (DWG No.) reads 01zzH.
Check the contents of SW00057 (Error Task) and SW00058 (DWG No.) to find the error
drawing.
Check SW00059 (Function Referencing DWG Step No.) for the STEP number where an
operation error occurred.
5. Check Whether an Operation Error Occurred
Check the error count of all drawings at SW00080 to SW00088. Operation errors are oc-
curring if the count is going up.
6. Check the Details and Location of Operation Errors
a) Check Error Details
Check error codes for drawings where the error count is going up.
DWG.A: SW00111
DWG.H: SW00143
DWG.I: SW00127 DWG.L: SW00175
b) Check the DWG Number
Check the error DWG number for the DWG number where an error occurred.
DWG.A: SW00120
DWG.H: SW00152
DWG.I: SW00136 DWG.L: SW00184
c) Check the Function Referencing DWG Number and Function Referencing STEP
Number if an error occurred in a function.
DWG.A: SW001201, 2 DWG.H: SW00153,4
DWG.I: SW00137, 8
DWG.L: SW00185, 6
7. Correct the Program
Correct the program at the point where the error occurred.
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