Bosch 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.
Bosch
Oven
Code C1
low severity
Bosch models: Bosch displays temperatures in Celsius by default; verify the °C/°F setting before diagnosing apparent temperature errors. The temperature probe connects at the rear cavity wall. The PerfectRoast meat probe (sold separately on some models) is a different connector — do not confuse it with the RTD fault sensor.
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 Bosch oven?
C1 usually indicates: Cycle canceled by safety.
Can I keep using the appliance with C1?
Use caution. Severity is low. 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.