Samsung · Oven Minor
C to P — Samsung Oven Ct oP (CtoP) — Cooktop In Use (Self-Clean Blocked)
Ct oP (shown as "CtoP") is a temporary message that the cooktop is in use or still hot, which blocks the Self Clean cycle from starting. It is not a fault — let the cooktop cool, then start Self Clean.
- Keep using it?
- Yes — fix when convenient
- DIY difficulty
- Easy
- Verified against
- samsung.com ↗
How to fix it
- Confirm every cooktop knob/burner is OFF.
- Wait for all hot surface indicators to clear (typically 10-30 minutes after the last use).
- Try Self Clean again.
- If 'C to P' returns with the cooktop fully cool and off, the cooktop temperature sensor or main control board is faulty — service required.
Why it happens
Typical signs: 'C to P' displayed when starting Self Clean · Self Clean won't begin · Cooktop indicator still lit
- Cooktop element still on A burner/element was left on.
- Residual hot surface indicator active Cooktop is cooling and still flagged hot.
- Failed cooktop temp sensor Sensor reports a burner active when it isn't.
More Samsung oven codes
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: samsung.com.