dc3
Moderate
Samsung · Washing Machines
AddWash door switch fault - add-door switch not responding
Quick Answer
Error code dC3 on your Samsung Washing Machines means: AddWash door switch fault - add-door switch not responding. This is usually fixable — see the step-by-step guide below.
Affected Models
Specific models affected
Likely Causes
How to Fix It
1
Unplug the washer for 5 minutes and restart
2
Check the AddWash door switch wiring harness for continuity and secure connections
3
Inspect the water inlet valve and its screens for blockages
4
Test the AddWash door switch with a multimeter
5
Verify the door latch mechanism functions properly
6
If the switch is faulty, replace the AddWash door switch assembly
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
AddWash door switch
Wiring harness (if damaged)
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