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CHAPTER 9 TROUBLESHOOTING
9
9.3 Checking the LEDs
9.3.3 The LEDs on the Ethernet part
9.3.3 The LEDs on the Ethernet part
(1) When the INIT. LED turned off
If the above action does not solve the problem, perform a unit test on the Ethernet adapter module to check for
failure. ( Page 57, Section 6.3)
(2) When the COM.ERR. LED turned on
After removing the error cause according to the Ethernet Adapter Diagnostics, follow one of the instructions below
to turn off the COM.ERR.LED.
• Send an SLMP message (Clear Error (command: 1617)) from the external device.
• Click the Turn Off COM.ERR. button on the "Ethernet Adapter Diagnostics" window in the configuration tool.
Checking Action
Are the configured Ethernet adapter module parameters
correct?
Check if the parameters set by the configuration tool are correct.
( Page 189, Section 10.3.3)
(1) (2)
(3)
(4)