C-d1 on a Samsung range is a door or control key problem. The control board isn’t receiving the signal it expects from the oven door lock mechanism or a control panel key, and it halts operation as a safety precaution — often tied to the self-clean lock feature on ranges that have one.
What Typically Causes It
- The door lock motor stuck partway through locking or unlocking, common after or during a self-clean cycle
- A control panel key that’s stuck or a membrane that’s failed underneath the touch surface
- A door switch that isn’t registering the door’s actual open or closed position
- Moisture or spilled liquid affecting the control panel’s key response
What You Can Check
If this code appeared during or right after a self-clean cycle, let the oven cool completely — the door lock is often mechanically unable to release until the cavity drops below a safe temperature, and forcing it can cause exactly this problem. Once cool, check whether the door unlocks normally.
Wipe down the control panel with a dry cloth in case a spill or sticky residue is causing a key to register as stuck. Power-cycle the range at the breaker for a minute, then test the door lock and panel keys again after power is restored.
When to Call a Technician
A door lock motor or control panel that doesn’t clear after cooling and a power cycle needs hands-on diagnosis, since forcing a locked oven door can damage the mechanism further. Our Samsung range repair technicians handle C-d1 safely.
This is an independent repair service and is not affiliated with Samsung.
