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TROUBLESHOOTING
1-167August 9, 2005
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
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ERROR CODE P0139 Illegal control structure.
Main causes include:
1. In a control structure CASE is the last step, or VALUE, END, or ANY are missing after
CASE.
2. Destination step for structure instruction is missing.
⇒
Use correct syntax and components in control flow structures.
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ERROR CODE P0140 Step:XX Wrong END statement.
Occurs when an illegal END statement is entered during editing.
⇒
Use correct syntax and components in control flow structures.
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ERROR CODE P0141 Step:XX Extra END statement.
Occurs when an extra END statement is present and there is no corresponding struc-
ture.
⇒
Use correct syntax and components in control flow structures, check structure of END
statements.
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ERROR CODE P0142 Step:XX Cannot terminate DO with END.
This error is displayed when the control flow structure DO….UNTIL is entered with an
END statement.
⇒
Use correct syntax and components in control flow structures.
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ERROR CODE P0143 Step:XX No VALUE statement after CASE.
Occurs when the control flow structure CASE OF….END is entered without a value to
evaluate.
⇒
Use correct syntax and components in control flow structures.
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