Bosch oven won't start — what do I tell the resident?
Commonly the control lock engaged, a failed igniter, or a control-board fault. One quick check: the breaker and the control lock. Reset a tripped breaker once; when it trips again, leave it off and call an electrician. If anyone smells gas, everyone leaves the home now, leaves every switch as it is, and calls the gas utility from outside. A scorch mark at the plug or the panel moves this up: a photo that shows wiring a person could touch makes the Triage Profile say EMERGENCY, and the word holds.
Show us the oven.
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In the next five minutes
Safe first steps, before the call. Nothing here needs a tool.
If you smell gas: don’t touch any switch or plug, leave, then call the gas company or 911 from outside.
No gas smell? Turn the oven off and switch off its breaker.
Take a photo of the oven and any code on the display, without opening anything.
Everything else about this problem
Is it an emergency?
Is a Bosch oven that won't start an emergency?
Rarely an emergency. Check the plug, the breaker and any GFCI outlet, and that the door is fully closed and the control lock is off. Stop and call a pro if it keeps tripping the breaker, smells like burning, or runs on gas and you smell gas.
If you manage this unit
Ask the resident
- Is the breaker tripped, and does it hold when reset once?
- Is any smell, burning or gas, coming from it?
Say this to your resident
Thanks for telling me the oven won't start. Please check the breaker and the control lock, and reset the breaker once; if it trips again, leave it off and tell me. If you smell gas, leave the home now, leave every switch as it is, and call the gas utility from outside, then call me. Leave the inside to the technician. Send me a photo of the control panel and I'll get an appliance technician to look at it.
Who to call
An appliance technician A breaker that trips again after one reset goes to an electrician.
Symptoms & causes
Commonly the control lock engaged, a failed igniter, or a control-board fault.
Your Bosch oven may show no signs of life, with a blank display and no response to button presses, indicating a complete lack of power or a major control failure. This often points to issues with the electrical supply, a tripped circuit breaker, a faulty thermal fuse, or a malfunctioning main control board.
Questions people ask
Who do I call when an oven won't start?
An appliance technician. Commonly the control lock engaged, a failed igniter, or a control-board fault. A breaker that trips again after one reset goes to an electrician. If anyone smells gas, everyone leaves the home now, leaves every switch as it is, and calls the gas utility from outside. The Triage Profile names who to call for your photo.
What do I tell the resident right now?
Thanks for telling me the oven won't start. Please check the breaker and the control lock, and reset the breaker once; if it trips again, leave it off and tell me. If you smell gas, leave the home now, leave every switch as it is, and call the gas utility from outside, then call me. Leave the inside to the technician. Send me a photo of the control panel and I'll get an appliance technician to look at it.
My Bosch oven display is completely blank; what does that mean?
A blank display usually indicates a complete loss of power to the control board or a failure of the control board itself.
Related problems
More Bosch oven problems
Another symptom on the same oven.
Won’t start: other brands
Guides and hubs
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Drop it in the box at the top. The Triage Profile says what it is, how urgent, who to call and what to say. Email the Triage Profile to yourself or share its link with the resident.