Mitsubishi Electric · FR-D700 Inverter
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.
Click steps to track your progress.
Inspect the compressor under dome thermistor connection for dislodgement or damage.
Measure the resistance of the thermistor to verify functionality and compare to the specified temperature-resistance chart.
Ensure the thermistor is securely connected and making proper thermal contact with the compressor dome.