Troubleshooting Diagrams - IDEC MICROSmart FC6A Series User Manual

13: T
ROUBLESHOOTING

Troubleshooting Diagrams

When one of the following problems is encountered, see the following trouble shooting diagrams:
The power is not on.
Operation has not started.
An error has occurred.
Input does not operate normally.
Output does not operate normally.
Cannot stop or reset operation.
Watchdog timer error occurs and the CPU does not run.
The interrupt/catch input cannot receive short pulses.
Frequency measurement does not work.
Data is not transmitted at all in the user communication mode.
Data is not transmitted correctly in the user communication mode.
Data is not received at all in the user communication mode.
Data is not received correctly in the user communication mode.
Modbus master communication does not work.
Long communication cycle for Modbus RTU master communication or Modbus TCP client communication.
WindLDR and the FC6A Series MICROSmart cannot communicate.
WindLDR does not communicate with PLC via USB.
Modbus master communication request is slow.
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Problem
FC6A S MICROS U
ERIES MART
' M FC9Y-B1722
SER S ANUAL
Troubleshooting
Diagram
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