Editorial & technical review
- Written by ApplianceWorth Editorial Team
- Technically reviewed by Victor — appliance technician
- Last reviewed 2026-07-01
- Applies to Samsung dryers
- Confidence medium
- Sources Manufacturer service documentation and field-repair experience · Methodology · Report a correction
What this code means
The control detected an invalid door-switch state or lost continuity in the door-sense circuit.
Most likely causes
- A failed door switch
- Loose, overheated or broken door-switch wiring
- A damaged connector at the control
- A main-control input failure
Safe checks for the owner
- Do not bypass the door switch.
- Check that the door closes and the strike is intact.
- Power the dryer off and request service if the code returns immediately.
Estimated U.S. repair cost
$220–$420, depending on model, access, parts availability and local labor.