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H/Sink O/Temp

Fin overheat

Mitsubishi Electric · FR-E500 Inverter

Was bedeutet H/Sink O/Temp ?

This fault indicates that the inverter's cooling fin has overheated, activating an internal overheat sensor and stopping the inverter output. This condition signifies either insufficient cooling, high ambient temperatures, or a blocked cooling path, posing a risk of damage to the inverter's power components.

Häufige Ursachen

  • Ambient temperature around the inverter exceeds specified operating limits.
  • Cooling fins are clogged with dust or debris, restricting airflow.
  • Reduced cooling fan effectiveness (though Fan Failure has its own code, general cooling issues can contribute).

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Verify the ambient temperature in the inverter's operating environment is within the manufacturer's specifications.

  2. 2

    Inspect the cooling fins and air intake/exhaust vents for dust, dirt, or other obstructions and clean them thoroughly.

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Verifizierte technische Daten. Zuletzt aktualisiert: March 2026

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Quelle: Mitsubishi Electric FR-E500 Inverter