Samsung AR 24 RXFPEWQX - Outdoor Cond Temperature Sensor Error

83
10-2-5 Outdoor Cond temperature sensor error
Indoor display
3-LED DISPLAY
7-SEG DISPLAY DESCRIPTION
LED1 LED2 LED3
◎ ◎
E231 Outdoor Cond temperature sensor error
Outdoor display
◎ ● ◎
Outdoor Cond temperature sensor error
●
LED ON
◎
LED BLINKING
LED OFF
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. Troubleshooting procedure
Model “A” “B”
ALL CN251 CN251#5-#6
YES
YES
NO
NO
NO
YES
YES
Is the sensor connector("A")
connected correctly in accordance
with a color?
Is the sensor resistance value
"B" 10kohm±3% at the room temperature
of 25 ℃?
Connect the sensor to PBA connector
supply
power and measure the voltage of “B”
communication cable
Reconnect the sensor connector.
Sensor Replace
Sensor resistance value : 20 - 12.09kohm
30 - 8.31kohm
35 - 6.94kohm
40 - 5.83kohm
Exchange the Outdoor PBA
Below 0.5Vdc or Over 4.5Vdc?
Micom error or connector check
Exchange the Outdoor PBA