Schneider Easy Altivar ATV610 / ATV310, Altivar ATV950, ATV31C & ATV Solar Drive
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Jul 24, 2024 9:23 am
Cause: Motor Winding B Error comes when a problem with the winding of motor. This fault tigger when the digital input assigned to "MotorWinding B Assign" tFAB is active for longer than "MotorWinding A Delay" tFdB.
"tFB" fault in Schneider ATV950 drive indicate "Motor Winding B" error. This means a problem with the winding of one of the motor phases.
- Check the connected device (motor winding thermal switch) and its wiring.
- Verify the motor load and the ambient temperature. Wait for the motor to cool down before restarting
