Error Code 3C
The dryer motor isn't spinning properly
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 3C
What This Means
Motor relay on main PCB shorted; Main PCB failure; Motor winding fault causing relay overload
What actually causes this:
The drum belt may have broken or come off, something is jamming the drum, or the motor itself has failed.
First Thing to Check
Open the door and try to spin the drum by hand — it should rotate freely with slight resistance.
Parts Involved
How to Fix
- 1
1. Check the PCB motor relay
- 2
2. Inspect motor relay on the main PCB for signs of damage or overheating
- 3
3. Test motor winding resistance to rule out motor fault
- 4
4. Replace main PCB if motor relay is confirmed shorted
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
This Error Applies To
Samsung DV45T3400 Series Dryers (2020) (2020–present)
Related Error Codes
The dryer thinks the door is open while running
Your dryer is getting the wrong type of electrical power
The dryer's internal parts aren't communicating properly
Your dryer is getting the wrong voltage from the outlet
Your dryer isn't heating properly or is overheating
Your dryer's temperature sensor isn't reading correctly
A secondary temperature sensor is giving bad readings
The door switch isn't working properly