Mitsubishi Electronics r410a Air Conditioner User Manual


 
[ IX Troubleshooting ]
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HWE09080 GB
2. Temperature sensor
Pull out the thermistor connector in
trouble from the board.
Measure the temperature of the thermistor
in trouble. (actual measurement value)
Check the thermistor resistor.
Compare the temperature corresponding to the
resistance measured by the thermistor and the
temperature measured by a commercially
available thermometer, and check whether
there is no difference between them.
Insert the connector of the thermistor
in trouble into the board, check the sensor
inlet temperature on the LED monitor,
and check the temperature difference.
START
Normal
Troubleshooting instructions for thermistor
Replace the thermistor
Temperature difference
Temperature difference
Check for contact failure.
Replace the control board.
Note 1
Note 2
Note 2
Note 3
YES
NO
YES
NO