Self-Diagnosis Method - Panasonic WH-ADC0509L3E5 Service Manual

3 Self-Diagnosis Method

3.1 Abnormal Buffer Tank Sensor (H36)
Malfunction Caused:
1 Faulty connector connection.
2 Faulty buffer tank sensor.
3 Faulty indoor sub PCB.
Abnormality Judgment:
Continue for 5 seconds.
Abnormal buffer tank sensor
H36 check buffer tank sens o r connection at CN5 normal?
Disconnect senso r from sub PCBmeasure resistance of sensor
and compa re against cha racteristicsame?
Change sub PC B
YES
YES
4
For safety reason and to prevent
component brea kdown, always switch
Caution
off the powerbefore remove and
connect the component.
NO
●
Correct connection
NO
●
Change buffer tank sensor