OV1 accelerates the overvoltage
OV2 decelerates the overvoltage
OV3 constant velocity overvoltage
cause
The input voltage is abnormal;
There is a large energy return;
Missing brake components;
The energy brake function is not turned on.
measure
Check the input power supply;
Check whether the load deceleration time is too short, or there is a phenomenon that the motor starts while rotating;
Need to increase energy consumption brake components;
Check the settings of the relevant function codes.
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INVT GD20 inverter fault code with its corrective action
Fault codes
OV1: Accelerated overvoltage
OV2: Deceleration overvoltage
OV3: Constant velocity overvoltage
Possible causes
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There is a large energy return;
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The energy brake function is not turned on.
...
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Common faults and countermeasures of INVT Goodrive27 inverter
Common faults and countermeasures of INVT Goodrive27 inverter
Fault code and fault type
E4: Accelerated overcurrent
E5: Deceleration overcurrent
E6: Constant velocity overcurrent
Possible causes:
acceleration and deceleration are too fast;
The grid voltage is low;
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