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61
15.2.9 H36
(Outdoor Gas Pipe Temperature Sensor Abnormality)
Malfunction Decision Conditions
During startup and operation of cooling and heating, the temperatures detected by the outdoor gas pipe
temperature sensor are used to determine sensor errors.
Malfunction Caused
Faulty
connector
connection.
Faulty
sensor.
Faulty
PCB.
Abnormality Judgment:
Continue for 5 seconds.
Troubleshooting
Check the outdoor gas pipe temperature sensor:
- Plug out connector from the outdoor unit PCB
- Measure the resistance of the outdoor gas pipe
temperature sensor
- Defect in outdoor gas pipe
temperature sensor
- Replace the outdoor gas pipe
temperature sensor
Yes
For safety reason and to prevent component
breakdown, always switch off the power before
remove and connect the component.
Is the measured resistance of the
outdoor gas pipe temperature
sensor matches the value
specified in its characteristic chart?
No
Check the connector connection:
- Turn off the power
- Check the connector connection
- Connector poor contact
- Correct the connection
No
Is the connector
connection normal?
- Defect in outdoor unit PCB
- Replace the outdoor unit PCB
Yes
Sensor (Thermistor)
Characteristics
Outdoor Air Sensor
Outdoor Heat Exchanger
Sensor
1
2
1
2
70
60
50
40
30
20
-10
(14)
0
(32)
10
(50)
20
(68)
30
(86)
40
(104)
50
(122)
10
0
Re
s
is
ta
n
c
e
(k
Ω
)
Temperature °C (°F)
Caution
Содержание CU-5E36QBU-5
Страница 26: ...26 3 Dimensions ...
Страница 27: ...27 4 Refrigeration Cycle Diagram ...
Страница 28: ...28 5 Block Diagram ...
Страница 30: ...30 7 Electronic Circuit Diagram ...
Страница 31: ...31 8 Printed Circuit Board 8 1 Main Printed Circuit Board ...
Страница 32: ...32 8 2 Noise Filter Printed Circuit Board 8 3 Display Printed Circuit Board ...
Страница 33: ...33 9 Installation Information 9 1 Check Points ...
Страница 50: ...50 ...
Страница 51: ...51 ...