Samsung Washer C1 Error Code: Causes and Fixes

Editorially reviewedUpdated 2026-02-20

Quick answer: Cycle interruption detected

What you’ll notice

Cycle was interrupted by an internal safety check; machine locked out.

Samsung Washer Code C1 medium severity
Samsung models: Samsung front-load pump filters (WF series) are behind a push-open panel at the lower-right of the front fascia; top-load models (WA series) have no user-accessible filter. The SmartThings app can read active error codes on Wi-Fi-enabled models and often clarifies which sub-component triggered the fault.

Common causes

  • Motor temperature protection tripped
  • Control board detected an unexpected sensor combination
  • Power interruption during a sensitive part of the cycle

Step-by-step fix

  1. Unplug the machine for 10 minutes to allow full reset.
  2. Restart with a small test load.
  3. Check that inlet, drain, and door are all normal before retrying.

Tools you may need

None

Prevention

  • Do not interrupt cycles by cutting power at the wall mid-programme.
  • Use a surge protector.

When to stop DIY

Call a technician if the lockout recurs across multiple cycle attempts — a sensor or control board fault is preventing normal operation.

FAQ

What does C1 mean on Samsung washer?

C1 usually indicates: Cycle interruption detected.

Can I keep using the appliance with C1?

Use caution. Severity is medium. Call a technician if the lockout recurs across multiple cycle attempts — a sensor or control board fault is preventing normal operation.

How long does this fix usually take?

Typical first-pass troubleshooting takes 10 minutes.