tnF

Auto-Tuning Fault

Schneider Electric · ALTIVAR 28 Variable Speed Drive

What does tnF mean?

This fault occurs during the auto-tuning process, signifying an incompatibility with the connected motor, such as a special motor type or incorrect power sizing relative to the drive. This prevents the drive from accurately optimizing its control parameters, leading to suboptimal performance.

Source: Schneider Electric ALTIVAR 28 Variable Speed Drive
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