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 short; 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 short
- 2
2. Test door switch: Door open (Off) — COM-NC (pins 1-3) should be < 1 Ohm, COM-NO (pins 1-2) should be infinity
- 3
3. Test door switch: Door closed (On) — COM-NC (pins 1-3) should be infinity, COM-NO (pins 1-2) should be < 1 Ohm
- 4
4. If switch readings are inconsistent or invalid, replace door switch
This Error Applies To
Samsung DV47CG3500 Series Dryers (2024) (2024–present)
Related Error Codes
Your dryer is getting the wrong type of electrical power
The vent blockage test found a problem with your exhaust
Your dryer detected restricted airflow during a vent test
The dryer thinks the door is open while running
The dryer's internal parts aren't communicating properly
Your dryer's temperature sensor isn't reading correctly
Your dryer isn't heating properly or is overheating
A button on the control panel is stuck or shorted