2/14/2022 8:19 AM | |
Joined: 6/26/2013 Last visit: 10/19/2023 Posts: 5 Rating: (0) |
Hi, all... What is the meaning of SM 1222 DC DIAG (Diagnostic) LED always RED after power UP? |
2/14/2022 8:36 AM | |
Joined: 3/11/2019 Last visit: 10/9/2024 Posts: 1586 Rating: (289) |
Hi MMSaifi, is the LED flashing, or permanent lighting? Which message is shown in online & diagnostics of the module? SIMATIC S7 S7-1200 Programmable controller-> Status LEDs -> "Status LEDs on a signal module (SM)" regards sancruz |
Feedback appreciated, please rate |
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