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E55

Compressor Under Dome Thermistor Disconnected

Mitsubishi Electric · FR-D700 Inverter

Hva betyr E55 ?

The thermistor located under the compressor dome is disconnected, which will prevent critical temperature monitoring of the compressor shell. This can lead to undetected compressor overheating and failure.

Vanlige årsaker

  • Disconnection of the compressor under-dome thermistor.
  • Open circuit fault in the compressor under-dome thermistor sensor.
  • Faulty compressor under-dome thermistor causing an erroneous temperature reading.

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    Inspect the compressor under dome thermistor connection for dislodgement or damage.

  2. 2

    Measure the resistance of the thermistor to verify functionality and compare to the specified temperature-resistance chart.

  3. 3

    Ensure the thermistor is securely connected and making proper thermal contact with the compressor dome.

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Verifisert teknisk data. Sist oppdatert: March 2026

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Kilde: Mitsubishi Electric FR-D700 Inverter