Thermador Oven C1 Error Code: Causes and Fixes
Quick answer: Cycle canceled by safety
What you’ll notice
Oven cycle was cancelled by a safety condition; may be locked.
Thermador
Oven
Code C1
medium severity
Thermador models: Thermador professional ranges use Star Burners on gas models and an ExtraLow simmer feature. The oven temperature probe is at the rear cavity wall. Thermador wall ovens have a Soft Close door mechanism; if the oven door does not latch cleanly for self-clean, check whether the closer mechanism has disengaged.
Common causes
- Over-temperature event triggered C1 as a secondary lockout
- Power interruption during self-clean
Step-by-step fix
- Allow full cooling.
- Power cycle.
- If F2 appeared before C1, address F2 first.
Tools you may need
None
Prevention
- Do not cut power during self-clean.
When to stop DIY
Call a technician if C1 follows an over-temperature event and the oven will not restart.
FAQ
What does C1 mean on Thermador oven?
C1 usually indicates: Cycle canceled by safety.
Can I keep using the appliance with C1?
Use caution. Severity is medium. Call a technician if C1 follows an over-temperature event and the oven will not restart.
How long does this fix usually take?
Typical first-pass troubleshooting takes 5 minutes.