TROUBLESHOOTING
1-163August 9, 2005
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
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ERROR CODE P0121 Expected to be a binary operator.
A non-binary operator has been entered where a command expected a binary operator.
Enter a binary operator.
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ERROR CODE P0122 Illegal constant.
A variable, or a non-constant, is used where a constant or integer should be used with a
monitor command.
Example: “WHERE a” Should be WHERE 1 … WHERE 6.
Use the proper constant or integer with the command. See the D Series ControllerAS Language Reference Manual for more information.
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ERROR CODE P0123 Illegal qualifier.
Displayed when monitor commands are followed by unexpected qualifiers.
Example: “LIST W” expected characters include P, L, and R for program, location, and
real variables; “W” causes error.
Enter qualifiers in compliance with AS Language syntax and format.
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ERROR CODE P0124 Invalid label.
Occurs in the editor mode when a GOTO instruction is combined with a reserved char-
acter.
Example: “GOTO #a” returns an error because “#” is a reserved character.
Do not use reserved characters in label identification.
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ERROR CODE P0125 Missing expected character.
Occurs when commands or instructions are entered with an incorrect format.
Example: “TOOL a=b”, “=b” causes an error, “TOOL a” would be correct.
Use correct syntax and format for commands and instructions.
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