Samsung AR07TXCAAWKNEU, Service Manual

Page: 77 / 109

77
SAMSUNG ELECTRONICS
9-2-5 Outdoor Cond temperature sensor error
Indoor display
7 SEG DISPLAY DESCRIPTION
C231 Outdoor Cond temperature sensor error
Outdoor display
Outdoor Cond temperature sensor error
: LAMP ON : LAMP OFF : LAMP BLINK
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
Isthe sensor connector("A")
connected correctly in accordance
with a color?
NO
YES
Reconnect the sensor connector.
Isthe sensorresistance value
"B" 10kohm±3%attheroomtemperature
of 25
NO
YES
Sensor Replace
Sensor resistance value 20 - 12.09kohm
30 -8.31kohm
35 - 6.94kohm
40 - 5.83kohm
Connectthe sensorto PBA connector
supply power and measure the voltage of "B"
intheconnector
Below 0.5Vdc or Over 4.5Vdc?
YES
NO
Exchange the Outdoor PBA
YES
Exchange the Outdoor PBA
Micom error or connectorcheck
Model "A" "B"
All CN251 CN251 #5-#6