Checking The Programmable Controller - Mitsubishi Electric MELSEC iQ-F Series Quick Connection Manual

6.2

Checking the Programmable Controller

Checking the LED status
Check the programmable controller status with the LED.
Checking the error details
On the toolbar of GX Works3, select [Diagnostics]  [Module Diagnostics (CPU Diagnostics)]. The error details of the
programmable controller can be checked.
For details on troubleshooting and error codes, refer to the following.
MELSEC iQ-F FX5 User's Manual (Application), Appendix 3 Error Code
Normal communications: Flashes at high speed.
Faulty communications: ON (Flicks at regular interval.)
Disconnection of Ethernet cable of
the programmable controller: OFF
Error contents are displayed.
6 TROUBLESHOOTING
6.2 Checking the Programmable Controller
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