206
19.5.17 Abnormal External Thermistor 2 (H68)
Malfunction Caused:
1 Faulty connector connection.
2 Faulty room temperature zone 2 sensor.
3 Faulty indoor sub PCB.
Abnormality Judgment:
Continue for 5 seconds.
For safety reason and to prevent
component breakdown, always switch
off the power before remove and
connect the component.
YES
● Correct external thermistor 2 sensor
connector
NO
● Change external thermistor 2
NO
YES
Check resistance of external thermistor 2 compare against
characteristic of external thermistor same?
Abnormal external thermistor 2
Check connector CN205 on sub PCB normal?
Change sub PCB
Caution
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