Key Takeaways
- E115 is a critical safety shutdown — turn off at the breaker immediately
- Never open an overheated oven door
- A failed temperature sensor can cause uncontrolled heating
- Keep a fire extinguisher accessible in the kitchen
- Do not use the oven after E115 until professionally inspected
The Bottom Line
Bosch oven overheating codes are serious safety alerts. Turn off power and call a professional — do not attempt to use the oven.
Bosch Oven Overheating: Critical Safety Information
Error code E115 on a Bosch oven is one of the most serious alerts any appliance can display. It means the oven has exceeded its maximum safe operating temperature and has triggered an emergency shutdown. Understanding how to respond — and what not to do — can prevent a fire.
Emergency Response Protocol
| Step | Action | Critical Detail |
|---|---|---|
| 1 | Turn off at the circuit breaker | Do NOT just press the oven off button — disconnect power completely |
| 2 | Keep the oven door CLOSED | Opening introduces oxygen which can cause a fire to flare |
| 3 | Ventilate the kitchen | Open a window or turn on the range hood fan |
| 4 | Wait at least 2 hours | The oven cavity needs time to cool to a safe temperature |
| 5 | Call for professional service | Do NOT attempt to reset and use the oven |
Bosch Oven Safety Error Codes
| Code | Meaning | Severity | Safe to Use? |
|---|---|---|---|
| E115 | Maximum temperature exceeded | Critical | NO — do not use |
| E303 | Relay module overheating | High | NO — electrical hazard |
| Er1 | Temperature sensor failure | High | NO — no temp regulation |
| Er3 | Oven overheating (stoves) | Critical | NO — fire risk |
| E101 | Temperature probe break | High | NO — uncontrolled heating |
What Causes Oven Overheating?
The two most common causes are a failed temperature sensor and a stuck heating relay. When the temperature sensor fails, it may report a lower temperature than actual — causing the control board to keep the heating elements on far beyond the safe limit. A stuck relay provides continuous power to the heating elements regardless of what the control board commands.
Prevention
There is no user-level prevention for sensor or relay failure — these are internal component failures. However, paying attention to early warning signs helps: if the oven seems to run hotter than the set temperature, if food burns at normal settings, or if the oven exterior feels unusually hot, schedule a diagnostic visit promptly. An oven thermometer is a worthwhile investment — it provides an independent temperature check.
Kitchen Fire Safety Essentials
Keep a fire extinguisher rated for kitchen use (Class ABC or Class K) within reach of the cooking area. Know where your circuit breaker panel is. Never leave an oven unattended for extended periods, especially during self-clean cycles. Install or test your smoke detector in the kitchen area.
Emergency Preparedness for Bosch Appliances
Every household with Bosch appliances should know three things before an emergency occurs:
- Water shutoff locations: Know where the shutoff valve is for your dishwasher (under the sink) and washing machine (behind the unit). Practice turning them — valves that haven't been operated in years can seize.
- Circuit breaker identification: Label the breakers for your oven, cooktop, washer, dryer, and refrigerator. In an emergency, you need to cut power quickly — not search for the right breaker.
- Gas shutoff (if applicable): Know the location of the gas shutoff valve for your range or cooktop. If you smell gas strongly, leave the house and call your gas utility — do not operate electrical switches.
Keep These Items Accessible
- Fire extinguisher rated for kitchen use (Class ABC or K) within arm's reach of the cooking area
- Flashlight for inspecting behind and under appliances
- Towels near the washing machine and dishwasher for quick water absorption
- Cooler with ice packs for refrigerator emergencies
- Our emergency service number saved in your phone
When to Call Emergency Service
Not every error code is an emergency. E24 (dishwasher drain blockage) can wait for a scheduled appointment. E15 (water leak with water on the floor) and E115 (oven overheating) require immediate attention. As a rule: if there is water where it shouldn't be, excessive heat, burning smell, or gas odor — take immediate safety action and call for emergency service.