Mitsubishi Melsec-A AJ65SBT User Manual page 54

4 PROCEDURE UP TO DATA LINK
Number Name
1) LED display
4 - 5
Shows the module status as the LED on/off.
LED name
On: CC-Link side switch setting error
Data link communication fault error
Flicker: CC-Link side switch setting is
changed during operation.
Off: No error
L ERR.
ERR.
Description
Description
<During normal operation>
On: Data link error station (detected)
Station outside control range
detected
Flicker: Data link error stations (all
stations)
Off: No error
<In self-loopback test mode>
On: Self-loopback test failed
Off: Self-loopback test completed
Setting error detection
On: CC-Link/LT side switch setting
error
Flicker: CC-Link/LT side switch
setting is changed during
operation.
Off: No error
MELSEC-A
4 - 5