177
16.5.17 Abnoraml 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.
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
Troubleshooting:
For safety reason and to prevent component breakdown,
always switch off the power before remove and connect the component.
Caution
To Next Page
Loading...
