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Panasonic CS-S18TKV Service Manual

Panasonic CS-S18TKV
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105
15.4.9 H27 (Outdoor Air Temperature Sensor Abnormality)
Malfunction Decision Conditions
During startup and operation of cooling, the temperatures detected by the outdoor air temperature sensor are
used to determine sensor errors.
Malfunction Caused
Faulty connector connection.
Faulty sensor.
Faulty PCB.
Troubleshooting
Check the connector connection:
Is the measured resistance of the outdoor air temperature
sensor matches the value specified in its characteristic
chart?
Is the connector connection normal?
When abnormality indication starts again.
For safety reason and to prevent component
breakdown, always switch off the power
before remove and connect the component.
Turn off the power.
Check the connector connection.
Defect in outdoor air temperature sensor.
Replace the outdoor air temperature sensor.
Defect in outdoor unit PCB.
Replace the outdoor unit PCB.
NO
NO
YES
YES
Check the outdoor air temperature sensor:
Plug out connector from the outdoor unit PCB.
Measure the resistance of the outdoor air temperature
sensor.
Connector poor contact.
Correct the connection.
0
10
-10 10 20 30 40 500
20
30
40
50
60
70
Temperature (°C)
Resistance (k
)
Sensor (Thermistor)
Characteristics
Outdoor Air Sensor
Outdoor Heat Exchanger
Sensor
Caution

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Panasonic CS-S18TKV Specifications

General IconGeneral
BrandPanasonic
ModelCS-S18TKV
CategoryAir Conditioner
LanguageEnglish

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