Mitsubishi MELSEC-A Series Operating Manual page 165

7.
MSTS:.OF
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ERROR
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MESSAGES
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14
15
16
17
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
t h h e
program RUN state.
-
Reoperate it after selecting WRITE tempted when the CPU was in the
*
Set the CPU i n 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.
7-3