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bnguyenAug 12, 2025
What to do if I see ALARM_OPEN_1 on my ABB Switch?
- DDylan ClarkAug 13, 2025
If you're encountering ALARM_OPEN_1 with your ABB Switch, try resetting it using the RESET key. However, if the alarm persists, it indicates a potential malfunction within the protection device, necessitating its replacement.













