Motor does not rotate.

Motor blocked by holding brake.

Release holding brake.

Verify, and correct if necessary, the brake wiring.

Motor phases interrupted.

Verify, and correct or replace if necessary, the motor cable and the connection. One or more motor phases are not connected.

No torque.

Set the parameters for maximum current, maximum speed of rotation to values greater than zero.

Incorrect operating mode selected.

Set the input signal and parameters for the desired operating mode.

Drive system switched off.

Switch on the drive system. Enable the power stage.

Analog reference value is missing.

Verify, and correct if necessary, the PLC program and the wiring.

Motor phases reversed.

Correct the order of the motor phases.

Motor mechanically blocked.

Verify, and correct if necessary, the coupled components.

Current limitation active (analog input or parameter).

Verify, and correct if necessary, the current limitation.

Incorrect adjustment of commutation offset angle.

Validate the adjustment and re-commission the commutation offset angle.

Motor jerks briefly.

Motor phases reversed.

Verify, and correct or replace if necessary, the motor cable and connection. Connect motor phases U, V and W in the same way at the motor and device ends.

Incorrect setting of parameter M_Fieldrotation.

Verify, and correct if necessary, the setting of the parameter M_Fieldrotation.

Resolver signals reversed.

Interchange SIN+ and SIN-.

Incorrect adjustment of commutation offset angle.

Validate the adjustment and re-commission the commutation offset angle.

Incorrect motor data, for example number of pole pairs or inductance values.

Verify, and correct if necessary, the motor data.

Motor oscillates.

Velocity controller P gain too high.

Reduce P gain (velocity controller).

Error in motor encoder system.

Verify, and correct or replace if necessary, the motor encoder cable.

Reference potential of analog signal missing.

Connect reference potential of analog signal to the reference value source.

Incorrect motor data, for example number of pole pairs or inductance values.

Verify, and correct if necessary, the motor data.

Motor movement too soft.

Integral term TNn too high.

Reduce TNn (velocity controller).

Velocity controller P gain too low.

Increase P gain (velocity controller).

Incorrect motor data, for example number of pole pairs or inductance values.

Verify, and correct if necessary, the motor data.

Motor movement too rough.

Integral term TNn too small.

Increase TNn (velocity controller).

Velocity controller P gain too high.

Reduce P gain (velocity controller).

Incorrect motor data, for example number of pole pairs or inductance values.

Verify, and correct if necessary, the motor data.

Commissioning software cannot connect to the drive.

Drive system switched off.

Switch on the drive system.

Wiring error.

Verify proper wiring.

Incorrect PC interface selected.

Select correct interface.

Motor does not generate sufficient torque.

Incorrect adjustment of commutation offset angle.

Validate the adjustment and re-commission the commutation offset angle

Motor temperature too high (I²t limitation triggered).

Incorrect adjustment of commutation offset angle.

Validate the adjustment and re-commission the commutation offset angle

Motor does not reach maximum speed of rotation.

Incorrect motor data, for example number of pole pairs or inductance values.

Verify, and correct if necessary, the motor data.

Motor positions inaccurately and does not run smoothly.

Incorrect resolver reference point.

Contact service / replace motor.

Incorrect excitation frequency.

Contact vendor for correct excitation frequency and correct.

Cable shield not properly connected.

Verify, and correct or replace if necessary, the cable.

Error message LOS (loss of signal), amplitude of sine or cosine too small.

Resolver transformation ratio not properly parameterized.

Verify, and correct if necessary, the resolver data.