Checking Temperature Sensor; Outdoor Discharge/Olp Temperature Sensor Error - Samsung AJ009JNNDCH Service Manual

4-5-6 Checking Temperature sensor

In case of a sensor in outdoor unit, temperature can be monitored with "VIEW MODE".
Press K4 key on the outdoor display PCB for several time to change the display to sensor temperature value.
Left 1 digit of the LED is data index and Right 2 digits are the value.
Index
8 Discharge sensor temperature
9 OLPsensor temperature
A Condenser sensor temperature
B Outdoor sensor temperature

4-5-6-1 Outdoor Discharge/OLP temperature sensor error

1. Check Items:
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
4-32
Value Remark
The unit is degree C
Samsung Electronics