Led Indications - Mitsubishi Electric MELSEC iQ-F Series Quick Start Manual

APPENDICES
Safety Application
Example
7

2.3 LED indications

Checking the LED status is the primary diagnostics without using GX Works3. It narrows down a cause of an error.
The following table lists the LEDs of the safety input expansion module (FX5-SF-8D14) and the descriptions of
each status.
LED LED color
(during normal
8
operation)
I0 LED Green
I1 LED Green
9
I2 LED Green
I3 LED Green
I4 LED Green
I5 LED Green
I6 LED Green
I7 LED Green
For details on the LED status, refer to
48
Increasing Safety Safety Extension Module
Inputs Configuration Guide
LED status
ON
Flashing
Flashing (I0 and I1 flash in phase) A cross-circuit occurred between I0 and I1.
OFF
ON
Flashing
Flashing (I0 and I1 flash in phase) A cross-circuit occurred between I0 and I1.
OFF
ON
Flashing
Flashing (I2 and I3 flash in phase) A cross-circuit occurred between I2 and I3.
OFF
ON
Flashing
Flashing (I2 and I3 flash in phase) A cross-circuit occurred between I2 and I3.
OFF
ON
Flashing
Flashing (I4 and I5 flash in phase) A cross-circuit occurred between I4 and I5.
OFF
ON
Flashing
Flashing (I4 and I5 flash in phase) A cross-circuit occurred between I4 and I5.
OFF
ON
Flashing
Flashing (I6 and I7 flash in phase) A cross-circuit occurred between I6 and I7.
OFF
ON
Flashing
Flashing (I6 and I7 flash in phase) A cross-circuit occurred between I6 and I7.
OFF
Section 10.1 Checking Errors with LEDs in the MELSEC iQ-F FX5 User's Manual (Safety
Buffer Memory
Description
Input ON
A process error occurred or synchronous time (1500 ms) was exceeded.
Input OFF
Input ON
A process error occurred or synchronous time (1500 ms) was exceeded.
Input OFF
Input ON
A process error occurred or synchronous time (1500 ms) was exceeded.
Input OFF
Input ON
A process error occurred or synchronous time (1500 ms) was exceeded.
Input OFF
Input ON
A process error occurred or synchronous time (1500 ms) was exceeded.
Input OFF
Input ON
A process error occurred or synchronous time (1500 ms) was exceeded.
Input OFF
Input ON
A process error occurred or synchronous time (1500 ms) was exceeded.
Input OFF
Input ON
A process error occurred or synchronous time (1500 ms) was exceeded.
Input OFF
Sequence Program
Partner Products
Example
Control).