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- FAQ > Controllers > Programmable Controllers MELSEC > MELSEC-Q Series > How to turn OFF the "COM.ERR" LED of the Ethernet module
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How to turn OFF the "COM.ERR" LED of the Ethernet module
Is it possible to turn OFF the "COM.ERR" LED of an Ethernet module installed to the standby system of a redundant system?
- Category :
Answer
The LED can be turned OFF by operations from GX Developer. The operation method is as follows.
(1) Connect to the CPU in the standby system in Transfer Setup.
- Connect to the CPU in the standby system with "No specified system" selected.
(2) Turn off the "COM.ERR" LED.
- Click the "COM.ERR off" button in Ethernet diagnostics dialog box.
(1) Connect to the CPU in the standby system in Transfer Setup.
- Connect to the CPU in the standby system with "No specified system" selected.
(2) Turn off the "COM.ERR" LED.
- Click the "COM.ERR off" button in Ethernet diagnostics dialog box.
- Product Name
- MELSEC-Q Series
- Series
- CPU
