
APPENDIX 3 ERROR MESSAGES
028
029
030
031
032
033
034
035
036
037
038
039
040
041
042
- The label of Lxxxx is used twice or more.
(Cause) The definition of the label is duplicated.
* There is no END1 instruction.
(Cause) A program of level 1 does not end with an END1 instruction.
* There is no END2 instruction.
(Cause) A program of level 2 does not end with an END2 instruction.
- There is no END3 instruction.
(Cause) A program of level 3 does not end with an END3 instruction.
* There is no LADDER program.
(Cause) The program of level 1 or 2 is empty.
* There is no SP instruction at the head of the program.
(Cause) The first instruction of a subprogram is not SP.
. Illegal SPE instruction was detected.
(Cause) The SPE instruction is not preceded by the SP instruction.
- LADDER program exists beyond END1 instruction.
(Cause) Within level 1, a program is specified after the END1 instruction.
- LADDER program exists beyond END2 instruction.
(Cause) Within level 2, a program is specified after the END2 instruction.
* LADDER program exists beyond SPE instruction.
(Cause) In a subprogram, a program is specified after the SPE instruction.
* END1 instruction cannot be used excluding the 1st level.
(Cause) The use of the END1 instruction was attempted within level 2 or 3.
. END2 instruction cannot be used excluding the 2nd level.
(Cause) The use of the END2 instruction was attempted within level 1 or 3.
* END3 instruction cannot be used excluding the 3rd level.
(Cause) The use of the END3 instruction was attempted within level 1 or 2.
* END instruction cannot be used.
(Cause) The use of the END instruction was attempted within level 1.
* Program number is different from program name.
(Cause) The subprogram file number does not agree with the number specified in the
parameter of the SP instruction.
A3-15