12-2-9 Outdoor Discharge temperature sensor error
Outdoor Discharge temperature sensor error
1.Checklist :
1) Is the sensor connected correctly?
2) Is the sensor placed correctly?
3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature?
4) Is the resistance value of sensor connection pull-up correct?
2-1. Troubleshooting procedure (A*V18***)
Is the sensor resistance value #3-
#4 200kohm±3% at the room
temperature
of 25℃
Sensor Replace
Sensorresistance value : 20℃ - 242kohm
35℃ - 138ohm
40℃ - 115kohm
NO
YES
YES
YES
Is the sensor connector(CN251)
connected correctly in accordance
with a color(BLU,6PIN)?
Reconnect the sensor connector.
NO
Below 0.5V or Over 4.5V?
Connectthe sensor to PBA connector (6piin)
supply power and measure the voltage of #3-#4 in
the connector
Exchange the Outdoor PBA
NO
Micomerror or connector check
Exchange the Outdoor PBA
YES