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DIR_a239 — Rotor Demagnetization Detected

Full alert identifier: DIR_a239_rotorDemagnetizationDetected

Alert description

Drive Inverter detected rotor magnet demagnetization above threshold.

Potential impact

Reduced peak torque output and efficiency.

Set condition

Rotor demagnetization estimates exceed set thresholds.

Clear condition

Demagnetization estimates fall back below thresholds. Requires drive unit replacement.

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With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIR_a239.

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