Chapter 7 Troubleshooting; Checking Procedure - Mitsubishi Electric MELSEC iQ-F Series Quick Start Manual

7
TROUBLESHOOTING
7.1

Checking Procedure

1. Checking the LED status
Check the communication status with the LEDs of the master station, local station, and code reader.
For the LEDs of the master station, refer to Page 40 Checking the LEDs of the master station.
For the LEDs of the local station, refer to Page 43 Checking the LEDs of the local station.
For the LEDs of the remote station, refer to Page 45 Checking the LEDs of the remote station.
For the LEDs of the code reader, refer to Page 45 Checking the LEDs (indicators) of the code reader.
If only the ERR LED of the FX5 CPU module is flashing, perform the module diagnostics of the CPU module.
For details on the CPU module error codes, refer to the following.
Appendix 3 Error Code in the MELSEC iQ-F FX5 User's Manual (Application)
2. Checking the error codes
Check the following according to the error codes stored in the master station, local station, and code reader.
For the error codes of the master station and local station, refer to Page 46 Master and local station module diagnostics.
For the error codes of the code reader, refer to Page 48 Checking the error details of the code reader.
■Wiring
For the wiring, refer to the following.
Page 9 System Configuration
• Are the Ethernet cables fully inserted?
■Communication settings
For the communication settings of the master station, refer to Page 15 Setting Parameters.
For the communication settings of the local station, refer to Page 23 Setting Parameters.
For the communication settings of the remote station, refer to Page 25 SETTING REMOTE STATION.
For the communication settings of the code reader, refer to Page 27 Setting the Code Reader.
• Do the parameter settings of the master station match with those of the local station on GX Works3?
• Are the IP addresses and the subnet masks of the master station, local station, and code reader set properly?
Master station
Local station
* After the parameters are changed, reset (or power OFF and ON) the
programmable controller to reflect new values.
Code reader
* After the parameters are changed, power OFF and ON the code reader to
reflect new values.
7 TROUBLESHOOTING
7.1 Checking Procedure
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