dF
Samsung · Samsung DVE45R6100W 7.5 cu. ft. Electric Dryer with Steam Sanitize+
On models with a door lock (typically steam dryers), the lock mechanism did not engage. Check the lock assembly and wiring. This is less common than dE/dC as most residential dryers use a simple switch rather than a powered lock.
Error dF on the Samsung Samsung DVE45R6100W 7.5 cu. ft. Electric Dryer with Steam Sanitize+ means: Door Failed to Lock. The top-ranked community fix is “Replace Door Lock Assembly and Check Wiring Connections” (medium difficulty, ~45 min, DIY cost: $15-$25). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · dryer
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many dryer repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $120-$180.
The Samsung Samsung DVE45R6100W 7.5 cu. ft. Electric Dryer with Steam Sanitize+ has 8 other known error codes:
Error code dF also appears on 1 other Samsung model:
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