For the Samsung Washer families covered by the source set, **C6** means **calibration mode / calibration code**. The first useful step is to preserve the exact characters and model number before power cycling the appliance. A display code is evidence from the control system, not a component test result. That distinction matters because a connector, supply condition, obstruction, or feedback signal can mimic a failed component. The recorded display form is **C6**. Search normalization stores it as **C6** while preserving the characters a homeowner actually sees.
Reviewed by Ethan Mercer · Last reviewed August 17, 2026
Written by
Ethan Mercer Appliance Repair Content SpecialistPublished August 17, 2026Updated August 22, 2026Technically reviewed August 17, 2026
Content status:
Verified
Error codeC6
ApplianceWasher
Quick answer
Calibration mode / calibration code.
Model compatibility: Samsung can reuse or reformat codes across series and model years, so C6 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
For the Samsung Washer families covered by the source set, **C6** means **calibration mode / calibration code**. The first useful step is to preserve the exact characters and model number before power cycling the appliance. A display code is evidence from the control system, not a component test result. That distinction matters because a connector, supply condition, obstruction, or feedback signal can mimic a failed component. The recorded display form is **C6**. Search normalization stores it as **C6** while preserving the characters a homeowner actually sees.
Signs
Symptoms you may notice
While C6 is active, the display appears while the appliance is otherwise able to respond as expected.
The C6 display becomes more meaningful if the message can be tied to a mode, test, reminder, setup state, or protective condition rather than a failed part.
On affected Samsung washing machine models, normal operation may resume after the documented mode or condition is cleared.
While C6 is active, c6 appears on the display while the appliance reports: Calibration mode / calibration code.
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
As an external check for C6, confirm the exact display characters and appliance model before treating the message as an issue.
The next non-invasive check is to verify the user-facing setting, mode, door, filter, container, or setup condition named by Samsung for this display.
With C6 recorded, use the model-specific manual to clear the status; avoid repeated resets if the message returns unexpectedly.
As an external check for C6, record the code and the cycle stage where it appears.
For C6, start by doing this: check owner-accessible water supply, drain hose/filter, load balance, door, detergent, or power only when relevant.
Before opening any service area, power-cycle once only where Samsung's guidance recommends it; if the same code returns, move to model-specific diagnosis.
Important safety warning. Disconnect power and stop use for active leakage near electrical parts, smoke, burning smell, or repeated breaker trips. Do not bypass a safety device merely to see whether C6 disappears.
Get help
When to request repair service
Service is not automatically required. Request diagnosis only if the status cannot be cleared as designed or normal operation does not resume. If C6 keeps returning, record the stage at which it reappears so the technician can test the calibration mode / calibration code path instead of replacing parts by guesswork.
Book your repair
Seeing this code on your Samsung appliance?
Book a specialist visit for a clear estimate and approval before any repair.
A single documented power reset can help after an external condition or power event is corrected. If **C6** returns at the same stage, repeated resets only erase useful evidence and do not repair the cause.
The display can be normal in the documented context. If **C6** appears unexpectedly, cannot be cleared, or prevents normal operation, then the issue deserves diagnosis.
Not automatically. Samsung error codes are diagnostic indicators, not part numbers. Confirm the circuit around **C6** before replacing anything.
The same-looking code can be reused on another Samsung appliance family or reformatted by region/model year. Match the appliance type and exact model before applying a meaning. This page therefore keeps **Washer C6** separate from same-looking codes used by other Samsung appliance families.