Chapter 22 Troubleshooting; Led Control - Mitsubishi Electric MELSEC iQ-R Series User Manual

22
TROUBLESHOOTING
22.1

LED Control

The status of the motion system can be checked by the following.
The LEDs equipped in the Motion module
The following lists the LED display specifications of the Motion module.
Name
RUN LED
ERR LED
PROGRAM RUN LED
CARD READY LED
CARD ACCESS LED
D LINK LED
SD/RD LED
L ER LED
LINK LED
*1 Error status can be determined by status of the RUN LED and the ERR LED.
RUN LED ERR LED
OFF ON or flickering
ON Flashing
ON ON
When multiple errors occur, the error status is displayed in the order of major, moderate, and minor.
Description
Displays the operation status.
ON: Operating normally
*1
OFF: Error occurrence or initializing
Displays the error status.
*1
ON: Error occurrence
Flashing (every 200 ms): Error occurrence
Flashing (every 500 ms): A data link faulty station is detected.
Displays the execution status of the built-in program.
ON: Executing program
OFF: Stopping program
Displays the status of an SD memory card.
ON: SD memory card is usable
Flashing: Preparing
OFF: No SD memory card inserted
Displays the access status of an SD memory card.
ON: Accessing SD memory card
OFF: Not accessing SD memory card
Displays the data link status.
ON: Data link (cyclic transmission being performed)
Flashing: Data link (cyclic transmission stopped)
OFF: Data link not performed (disconnection)
Displays the data communication status.
Flashing: Communicating data
OFF: Not communicating data
Displays the port status.
ON: Abnormal data received
OFF: Normal data received
Displays the link status.
ON: Link-up
OFF: Link-down
Error status Description
Major error An error such as hardware failure or memory failure. The module stops operating.
Moderate error An error, such as parameter error, which affects module operation. The module stops
operating.
Minor error An error such as communication, positioning control and program failure. The module
continues operating.
*1
22 TROUBLESHOOTING
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22.1 LED Control
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