Overtorque Detection 1

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The drive detected that the motor torque has exceeded a preset overtorque threshold. This indicates a mechanical issue, excessive load, or incorrect parameter settings.

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1. 1

   Verify Yaskawa P1000 parameters L7-01 (Current Limit Setting), E1-01 (Motor Rated Current), E2-01 (Motor Overload Protection Level), and acceleration/deceleration times (C1-xx) against motor nameplate data and application requirements.

2. 2

   Inspect the mechanical system for binding, obstructions, excessive friction, or seized bearings in the motor and driven equipment.

3. 3

   Check all motor power cable connections at both the drive and motor terminals for tightness and integrity.

4. 4

   Measure the motor winding resistance between phases (U-V, V-W, W-U) and compare for balance; perform an insulation resistance test to ground if possible.