Mitsubishi MELSEC-A series - APPENDIX 4 Connection Diagrams

7. MSTS:.OF . . .... ,.I ERROR ,. ~ ~ _. MESSAGES
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Er,ror Message
PCG RUN
PLC WRITE ERROR
SETTING ERROR
STEP NO. EXCEEDED
Display Conditions Corrective Action(*)
Write/insert/delete, atc. was at-
ENABLED by using
thhe program RUN state.
- Reoperate it after selecting WRITE tempted when the CPU was in the
* Set the CPU in the STOP state.
mode selection
of the OTHERS
mode
(see Section 6.9.14).
Data could not be written to a CPU
Check the RAMlROM settings.
correctly in the
WRITE, INSERT,
etc. etc., modes.
Check the installation of the RAM,
Check the setting of the CPU's
memory protect switch.
A set value was not correct.
A set step number was larger than
Set the value correctly.
Set a correct step number.
the maximum step number.
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