Error Code 3C4
A motor wiring connection has failed inside the washer
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 3C4
What This Means
PCB housing terminal not connected; PBA fault; DD motor fault
What actually causes this:
An internal connector vibrated loose or the motor has a wiring defect
First Thing to Check
Unplug the washer for 60 seconds, then restart
Parts Involved
How to Fix
- 1
1. Check PCB housing terminal connections
- 2
2. Check the stator of the motor cover for damage
- 3
3. Check for coil disconnections due to foreign material
- 4
4. Measure motor power housing connector resistance — any 2-pin terminal should read 2.0 to 6.1 Ohm
- 5
5. Replace the PBA or motor as needed
This Error Applies To
Samsung WW25B6900AW Series Washers
Related Error Codes
The washer's control board cannot properly measure motor current
The detergent dispenser motor is jammed
The detergent dispenser motor has stopped responding
The fabric softener dispenser motor is jammed
The fabric softener dispenser motor has stopped responding
The sensor that detects the dispenser motor movement has failed
The sensor that measures how much detergent is left has failed
The sensor that measures how much fabric softener is left has failed