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 circuit on main PCB is faulty; Motor relay stuck open or closed; Wiring issue between main PCB and motor relay
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. Disconnect power and wait 60 seconds before restoring power
- 2
2. Check wiring connections between motor relay and main PCB
- 3
3. Check motor winding resistance: Pin 3-4 should be 2.88 ohms, Pin 4-5 should be 3.5 ohms
- 4
4. If motor windings test normal, replace main PCB assembly
This Error Applies To
Samsung DV52M7750 Series Dryers (2024) (2024–present)
Related Error Codes
Your dryer isn't heating properly or is overheating
Your dryer is getting the wrong voltage from the outlet
The dryer thinks the door is open while running
A secondary temperature sensor is giving bad readings
The dryer's internal parts aren't communicating properly
Your dryer's temperature sensor isn't reading correctly
Your dryer is getting the wrong type of electrical power
The door switch isn't working properly