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17.4.17 H80 (Aluminium Electric Heater (Heatcharge) 3-Way Valve Sensor Abnormality)
Troubleshooting
Diagnosis Procedures and Cause
Measures to be Taken
Normal
Normal
Abnormal
Not Connected
Check sensor connection abnormality
Check sensor characteristics
Check the resistance of the sensor
Re-connect the connector
Replace the PCB
Replace the sensor
In some the models for the heat exchanger temperature sensor, the sensor has been soldered
directly to the board rather than the connector connection.
For that case, please change the system PCB.
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