Led Behavior - Mitsubishi Electric MELSERVO-JET MR-JET-G-N1 Series User Manual

LED behavior

RUN (RUN LED), ERR (ERROR LED), LA A (Link/Activity), and LA B (Link/Activity) operate in accordance with the EtherCAT
standard (ETG.1300 EtherCAT Indicator and Labeling Specification).
LED status definitions
The following shows LED status definitions.
LED status
On
Off
Flickering
Blinking
Single flash
Double flash
Explanations of LED statuses
■RUN (RUN LED)
The RUN LED indicates the EtherCAT communication status (ESM status).
LED
Status Color

Off
Blinking Green
Single flash
On
■ERR (ERROR LED)
The ERROR LED indicates an error occurrence in EtherCAT communication.
LED
Status Color
Off 
Blinking Red
Single flash
Double flash
On
■LA A/LA B (Link/Activity LED (IN port/OUT port))
The Link/Activity LEDs indicate the link status of each EtherCAT communication port.
LED
Status Color
Off 
On Green
Flickering
Definition
The LED is lit steady.
The LED is unlit.
The LED turns on and off repeatedly in a 10 Hz cycle (every 50 ms).
The LED turns on and off repeatedly in a 2.5 Hz cycle (every 200 ms).
The LED turns on for 200 ms and off for 1000 ms repeatedly.
The LED repeats the cycle of turning on for 200 ms → off for 200 ms → on for 200 ms → off for 1000 ms.
Explanation
Indicates the power supply being shut off or the Init state.
Indicates the Pre-Operational state.
Indicates the Safe-Operational state.
Indicates the Operational state.
Explanation
No errors
Indicates that the EtherCAT state cannot be changed as instructed from the master station.
Indicates that the EtherCAT state has been changed autonomously because of an internal error.
Indicates a watchdog error in the Sync manager.
Indicates a fatal error such as a watchdog timeout.
Explanation
Indicates that the power supply being shut off or the link-unestablished state.
Indicates that the link is established but no traffic.
Indicates that the link is established with traffic.
3.2 Switch setting and display of the servo amplifier
3
3 STRUCTURE
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