hanw2d Posted June 4, 2024 Report Posted June 4, 2024 (edited) The beginning of the error/alarm event, the red LED flashes on the CP2E-N PLC. The CX-Programmer diagram was created then I transferred it to the PLC along with setting the new IP address, the process went smoothly, after I restarted the PLC indicator, the Run power led was on, Run was also on, err/alm flashing and Ethernet 1 was on. The result is that the PLC cannot connect to the laptop or HMI via Ethernet. Help me please! Omron PLC CP2E-N Error Flashing.mp4 How do I reset the CP2E-N PLC so that the err/alm doesn't flash? Edited June 4, 2024 by hanw2d Quote
IO_Rack Posted June 4, 2024 Report Posted June 4, 2024 There are many reasons for a flashing ERR/ALM LED. When you are online, double click the Error Log from the project tree. This will show details. In general, if cycling the power to the PLC does not reset the alarm, then you can try via the Error Log window. Likely it will come back and you'll need to resolve the issue. Quote
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