Written by
Nadia Okafor Appliance Care EditorPublished October 26, 2026
VERIFIED
Error codeC1, CL1
ApplianceDryer
Nothing is broken when C1 or CL1 shows. The code belongs to the Vent Blockage test on a Samsung dryer: it notes laundry in the drum, which stops the test from giving a reading, and it never appears outside that test.
Two situations
Clothes in the drum: take them out and repeat the test.
Drum empty but the error still shows: request service.
Ct: room temperature unsuitable for running the test.
CL: Child Lock, which is easy to mistake for CL1 but is not a test result.
Samsung dryer service in San Francisco
If an empty drum still produces C1, Samsung dryer repair is open to San Francisco and Bay Area households on (415) 969-6153. Say that the dryer showed the code after a Vent Blockage test and give your model number.
Model compatibility: Samsung reuses codes across series and model years, so C1, CL1 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
Vent blockage test result: laundry detected in the drum.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your Samsung appliance?
Book a specialist visit for a clear estimate and approval before any repair.
Seven readings on a Samsung dryer, from dC to 1 dF, share one theme: the door is not confirmed as shut and latched. Work through the latch and door checks.
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Book a repair online or call us — clear estimates and approval before any repair work begins.
