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LOSUC

Low Suction Pressure

Yaskawa · iQpump1000

Hva betyr LOSUC ?

The suction pressure has fallen below the level set in Q5-09 for longer than the time set in Q5-10. This fault is effective only when Q5-11 (Low Suction Pressure Behavior Select) is set to 2 (fault).

Vanlige årsaker

  • System suction pressure has fallen below the configured threshold.

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    Increase the system pressure.

  2. 2

    Set the Low Suction fault characteristics using parameters Q5-09, Q5-10, and Q5-18.

  3. 3

    Control drive response to this condition using Q5-11 (Low Suction Pressure Behavior Select).

  4. 4

    Control auto-restart of this fault using Q5-11 (Low Suction Pressure Behavior Select) and Q5-15 (Suction Pressure Auto-restart Time).

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Verifisert teknisk data. Sist oppdatert: March 2026

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