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10-2-5 Outdoor Cond temperature sensor error
Outdoor display
: LAMP ON
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
SERVICE MANUAL_EU_INV_Wind Free.indd 71
: LAMP OFF
: LAMP BLINK
Is the sensor connector("A")
connected correctly in accordance
with a color?
YES
Is the sensor resistance value
"B" 10kohm±3% at the room temperature
of 25
YES
Connect the sensor to PBA connector
supply power and measure the voltage of "B"
intheconnector
Below 0.5Vdc or Over 4.5Vdc?
NO
Micom error or connector check
YES
Exchange the Outdoor PBA
Outdoor Cond temperature sensor error
Model
"A"
All
CN251
NO
Reconnect the sensor connector.
NO
Sensor Replace
Sensor resistance value 20 - 12.09kohm
30 -8.31kohm
35
40
YES
Exchange the Outdoor PBA
"B"
CN251 #5-#6
- 6.94kohm
- 5.83kohm
SAMSUNG ELECTRONICS
12/14/2016 4:50:38 PM
71
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