Error Code dF
The door switch isn't working properly
Moderate
Address soon - your appliance may not work properly
Also displayed as: dF
What This Means
Door sensor unit is loose; Door sensor unit is shorted; Defective door switch giving invalid readings
What actually causes this:
The switch that detects whether the door is open or closed has worn out or its connection came loose.
First Thing to Check
Open the door, check for anything stuck in the door latch area, then close it firmly and try again.
Parts Involved
How to Fix
- 1
1. Check if the door sensor unit is loose or has a short
- 2
2. Test door switch for proper operation in both open and closed states
- 3
3. Inspect wiring between door switch and main PCB
- 4
4. Replace door switch if readings are invalid
This Error Applies To
Samsung DV50B5100 Series Dryers (2024) (2024–present)
Related Error Codes
Your dryer isn't heating properly or is overheating
The dryer thinks the door is open while running
The dryer's internal parts aren't communicating properly
Your dryer detected restricted airflow during a vent test
Your dryer's temperature sensor isn't reading correctly
Your dryer is getting the wrong voltage from the outlet
Your dryer vent is over 90% blocked — needs immediate cleaning
Your dryer is getting the wrong type of electrical power