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Samsung Washing Machine Error Code Cb: Calibration mode
Applies to Samsung washing machines that show Cb or C6 on the display.
Not an error — the washer is in Calibration mode, recalibrating its weight detection. It rotates the drum back and forth for 1–3 minutes and ends by itself.
What this code means
Calibration is normally run at the very end of installation. It only works correctly with an empty machine.
The manufacturer's checks, in order
- If anything is in the washer, remove it and run Calibration mode again with the drum empty.
- See your model's user manual for how to start Calibration mode.
Related Samsung washing machine codes
LE — Water level / leakage error4E — Not filling error5C — No drain errordE — Door errorUE — Unbalanced load error4C2 — Hot/cold error
Source & provenance. The meaning, the checks and their order, and the service line on this page are restated from Samsung official support — “Samsung Washing Machine Information and Error Codes” (source), read on 2026-11-06. No forum content, no invented repair steps, and nothing involving gas, refrigerant or mains wiring. Where the manufacturer says to request service, this page stops too.