A70
Alarm code A70 means .
Cause analysis: 1. There is a short circuit in the DC24V power supply used by the control system; 2. A drive problem is causing abnormal synchronization.
Remedy:
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If multiple drives report A70 simultaneously, an external cause is more likely. Focus on checking the control system DC24V power supply for short circuits, especially the user wiring;
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If the specific cause cannot be identified directly and the alarm occurs frequently, try replacing the drive.