LG Refrigerators
Error Code F dS
Defrost Sensor Error
Moderate
Address soon - your appliance may not work properly
How to Fix
- 1
Check for a loose or disconnected connector between defrost controller and sensor (CON8 pins 26–25). If disconnected, reconnect.
- 2
With power off, measure resistance at CON8 pins 26–25. If resistance is 0 Ω (short circuit), replace the defrost sensor.
- 3
With power off, measure resistance at CON8 pins 26–25. If resistance is infinite/open, replace the refrigerator/sensor assembly.
- 4
Compare resistance to the temperature/resistance table at CON8 pins 26–25. If resistance does not match, replace the defrost sensor.
- 5
If all checks pass and the error persists, explain normal operation to customer.
This Error Applies To
LG LF29H8330 Series Refrigerators
Service manual exact match: LF29H8330SService manual exact match: LF29H8330BService manual exact match: LF29H8330W