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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
Verify the ambient temperature in the inverter's operating environment is within the manufacturer's specifications.
- 2
Inspect the cooling fins and air intake/exhaust vents for dust, dirt, or other obstructions and clean them thoroughly.
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
Verwandte Fehlercodes
Quelle: Mitsubishi Electric FR-E500 Inverter