Flow For Actions When The Program Cannot Be Written - Mitsubishi Electric MELCEC Q Series User Manual

11. TROUBLESHOOTING

11.2.9 Flow for actions when the program cannot be written

The flowchart when the program and other data cannot be written to the CPU module is
described.
The program cannot
be written.
Is the RUN/
STOP switch of the
CPU module at
Is an invalid
memory card
being used?
Describe the problem to
the nearest service center,
retail store, or corporate
office, and obtain advice.
NO
STOP?
YES
ON
OFF
Set the RUN/STOP switch
to STOP.
Can the program
be written?
NO
Reset the CPU module.
NO
Can the program
be written?
Replace it with an
available memory card
(Q2MEM-1MBSN,
Q2MEM-1MBS).
Or, use built-in RAM instead
of installing a memory card.
Can the
NO
program
be written?
11 - 10
YES
YES
YES
Complete