Chapter 4 Troubleshooting; Checking With Led - Mitsubishi Electric RD77GF8 User Manual

4
TROUBLESHOOTING
This chapter describes troubleshooting of CC-Link IE Field Network.
4.1

Checking with LED

This section describes troubleshooting using LED.
Error status can be determined by status of the RUN LED and the ERR LED.
RUN LED ERR LED
Off On, flashing
On Flashing
On On
*1 When multiple errors occur, the error status is displayed in the order of major, moderate, and minor.
When the RUN LED turns off
When the RUN LED turns off after powering on the Simple Motion module, check the following.
Check item
Is the Simple Motion module mounted correctly?
When the ERR LED turns on or is flashing
When the ERR LED turns on or is flashing, check the following.
Check item
Does any error occur in the module diagnostics?
Is the disconnected station displayed in the CC-Link IE Field Network
diagnostics?
If the above actions do not solve the problem, perform the following tests to check for an error.
• Cable test (Page 116 Cable Test)
4 TROUBLESHOOTING
100
4.1 Checking with LED
*1
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 affect module operation. The module stops
operating.
Minor error An error such as communication failure. The module continues operating.
Action
Securely mount the Simple Motion module on the base unit.
Action
Take the actions displayed on the window.
• Correct "Network Configuration Settings" in "Basic Settings" of the master
station in accordance with the slave station actually connected.
• Perform troubleshooting for when the D LINK LED turns off or is flashing.
(Page 101 When the D LINK LED turns off or is flashing)