Samsung AS09HPB, Руководство по обслуживанию

Страница: 66 / 96

Troubleshooting
12-9 Samsung Electronics
12-2-7 Outdoor temperature sensor error
1. Checklist :
1) Is the sensor connector 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
-50 -41 -32 -23 -14
-5
4
13 22 31 40 49 58 67 76 85 94
103
400.0
350.0
300.0
250.0
200.0
150.0
100.0
50.0
0.0
Yes
Yes
Yes
Yes
No
No
No
Is the temperature sensor connected
correctly without separation?
Does the both terminal of sensor
satisfy the resistance
value in accordance with temperature?
(Refer to the R/T TABLE)
Exchange the PCB.
Is the resistance value
of sensor connection pull_up 18.2K?
No
No
Is the sensor connector connected
correctly in accordance with a color?
Reconnect the sensor connector.
Normal operation
Exit
Exchange the PCB.
Change the position of sensor.
Exchange the sensor.
24437A(1)_1 1/16/05 9:58 PM Page 12-9