Guys, I need help with the low-pressure frequency converter of the water pump
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Guys, the low-voltage inverter of the pump reacts instantly, rising to over 40 Hz before dropping to zero again; it keeps oscillating like this. I checked the inverter for any issues but no fault alarms were detected. What’s going on?
Is this feedback or output? Generally, is it normal to check whether the cable shielding is properly grounded?
It is also necessary to examine the process to see if it is related to low pressure and high flow rate. For reference.