11 -
2
11. TROUBLESHOOTING
11.2 Troubleshooting
The error definition investigation method, error definition corresponding to the error code,
and corrective actions are described.
11.2.1 Troubleshooting flowchart
The error definitions are described by events.
Error occurrence details
The POWER LED is off.
The RUN LED is off.
The RUN LED is flashing.
The ERR. LED is on.
The ERR. LED is flashing.
The I/O module will not
operate correctly.
The program cannot be
written.
The CPU module is
not started up.
To "Flow for actions when the CPU module is
not started up" in
To "Flow for actions when the POWER
LED is turned off" in
To "Flow for actions when the RUN
LED is turned off" in
To "Flow for actions when the RUN
LED is flashing" in
To "Flow for actions when the ERR.
LED is turned on" in
To "Flow for actions when the ERR.
LED is flashing" in
To "Flow for actions when the output
module's output load does not turn on" in
To "Flow for actions when the program
cannot be written" in
The MODE LED is off.
To "Flow for actions when the MODE
LED turns off" in