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2941 E140

Mot. current %.2s not equal 0

Heidenhain · NC Control

Was bedeutet 2941 E140 ?

Motor current was detected as non-zero during a cutout channel test (24-hour test). This indicates that current is still flowing to the motor when it should be fully disconnected or de-energized, posing a potential safety risk.

Häufige Ursachen

  • Motor current was determined during cutout channel test (24-h test).

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Ensure that during the cutout channel test, no motor current is deliberately being commanded by the control or any residual energy is present.

  2. 2

    Check the inverter for the specified axis for any internal faults, leakage current, or sticky contacts when it is commanded to be off.

  3. 3

    Inspect the motor power cables for any short circuits or ground faults that could cause current flow even when the inverter is disabled.

  4. 4

    Verify that the inverter's output stage completely de-energizes the motor during the cutout channel test, preventing any residual voltage or current.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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