Outdoor Coil Temperature Sensor Error - Samsung AR09KSWSJWKNCV Service Manual

10-2-7 Outdoor Coil temperature sensor error

Indoor display
3-LED DISPLAY
LED1 LED2
◎
Outdoor display
◎
LED ON LED BLINKING
◎
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
Is the sensor connector("A")
connected correctly in accordance
Is the sensor resistance value
"B" 10kohm±3 at the room temperature
Connect the sensor to PBA connector
Is the connection of power cable
supply power and measure the voltage of "B"in the
and communication cable normal?
Below 0.5Vdc or Over 4.5Vdc?
Micom error or connector check
Exchange the Outdoor PBA
10-8
LED3
◎
◎
LED OFF
with a color?
YES
of 25
YES
connector
NO
YES
7-SEG DISPLAY
E231 Outdoor Cond temperature sensor error
Outdoor Cond temperature sensor error
NO
Reconnect the sensor connector.
NO
Sensor Replace
Sensor resistance value : 20 - 12.09kohm
YES
Exchange the Outdoor PBA
DESCRIPTION
MODEL "A"
AR12(09)HSFSHWK CN251
AR18HSFSHWK CN501
AR24HSFSHWK CN43
30 - 8.31kohm
35 - 6.94kohm
40 - 5.83kohm
Samsung Electronics
"B"
CN251 #5-#6
CN501 #3-#4
CN43 #3-#4