Samsung RS757LHQESR/ Series Service Manual page 56

DISASSEMBLY AND REASSEMBLY
5) When there is Self-Diagnosis Error (with Defective Sensor)
The error of sensor will be displayed on the front of display. when the error of sensor is detected at initial power ON, the appliance
•
will not operated and the error message will be displayed.
The appliance will not stop operating when the error of sensor is detected during operation of the appliance. But normal freezing
•
might be not operated if the appliance is operated by the emergency operation mode. You would better to check the appliance
according to the self-diagnosis of the manual.
① When R-Room Sensor error occurs (check the other sensors in the same procedure)
-. Measure with PCB Case as a base
Check the wires connected to the PCB Case
-. Fridge (Based on Case Wires)
- Room Sensor : CN3 #1-#3
- Defrost Sensor : CN3 #2-#3
-. Freezer (Based on Case Wires)
- Room Sensor : CN2 #1-#5
Defrost Sensor : CN2 #1-#6
-. Ambient Sensor (Based on Case Wires)
CN5 #7-#13
-. Humidity Sensor (Based on Case Wires)
CN7 #13-#15
▶
Measure R-Sensor Voltage
-. After measuring it, compare it with the value on the
Voltage & Temperature Comparison Table
START
NO
R-Sensor is normal?
YES
NO
Is it connected to
PCB Case properly?
YES
The wire connection to
NO
PCB Case complies to the Circuit
Diagram?
YES
PCB and R-Sensor are normal.
Re-check the Wire Connections
55
Replace Sensor
Repair Connector Contact Defect or
Slip-out
Correct Wire Slip-out or Incorrect
Connection