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

  1. Confirm every cooktop knob/burner is OFF.
  2. Wait for all hot surface indicators to clear (typically 10-30 minutes after the last use).
  3. Try Self Clean again.
  4. 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.

Related repair guides

How to Clean an Oven (Without Harsh Fumes) →

More Samsung oven codes

---- ---- — Invalid Temperature Setting -dC- -dC- — Flex Duo Divider Missing or Removed -dE- -dE- — Flex Duo Divider Not Installed bAd LinE bAd LinE — Bad Power Connection C-10 Range C-10 — Temperature Sensor Reading Error C-20 C-20 — Oven Temperature Sensor Open/Short

All Samsung codes → All oven codes →

Frequently asked questions

What does the C to P code mean on a Samsung oven?

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.

What causes the C to P code on a Samsung oven?

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.

Is it safe to keep using a Samsung oven with a C to P error?

Yes — fix when convenient. This is rated a minor-severity fault.

How do I fix C to P on a Samsung oven?

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.

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.