Appendix A
DL405 Error Codes
Appendix B
Error Codes
B–5
DL05 Error Codes
DL05 Error Code Description
E461
STACK OVERFLOW
More than nine levels of logic have been stored on the stack. Check the use
of OR STR and AND STR instructions.
E462
STACK
UNDERFLOW
An unmatched number of logic levels have been stored on the stack. Insure
the number of AND STR and OR STR instructions match the number of STR
instructions.
E463
LOGIC ERROR
A STR instruction was not used to begin a rung of ladder logic.
E464
MISSING CKT
A rung of ladder logic is not terminated properly.
E471
DUPLICATE COIL
REFERENCE
Two or more OUT instructions reference the same I/O point.
E472
DUPLICATE TMR
REFERENCE
Two or more TMR instructions reference the same number.
E473
DUPLICATE CNT
REFERENCE
Two or more CNT instructions reference the same number.
E499
PRINT
INSTRUCTION
Invalid PRINT instruct usage. Quotations and/or spaces were not entered or
entered incorrectly.
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