E115 — Overtemperature Shutdown
Bosch's official US oven/microwave error-code page documents only E11 (touch keys/condensation) plus generic 'E and a number' catch-alls that instruct disconnecting power and calling Bosch support. A specific 'E115' is not separately documented. The 'overtemperature shutdown' explanation below is not confirmed on Bosch's US consumer page — verify against your model's manual.
- Keep using it?
- No — service first
- DIY difficulty
- Moderate
- Verified against
- bosch-home.com ↗
How to fix it
- Power off at the breaker and let the oven fully cool — at least 1 hour.
- Verify the convection / cooling fan spins freely and runs on the next power-up.
- Inspect the door gasket for tears or compression set; replace if flat.
- Check installation clearances against the spec sheet for that model.
- If E115 returns immediately, suspect a welded relay on the main control — replace the board.
- If it only triggers at high temps, test the temperature sensor (PT500 ≈ 500 Ω cold) and replace if drifted.
Why it happens
Typical signs: Oven shuts off mid-cook · Strong heat in cabinet area · Cooling fan running long after shutdown · E115 or F115 on display
- Cooling fan failed or blocked Convection cabinet fan not exhausting; cavity heat soaks the controls.
- Welded bake or broil relay Element stays energized after the control commands off.
- Drifted temperature sensor PT500 reading low so the control overdrives the elements.
- Door not sealing Heat escapes onto the control panel and trips overtemp limit.
- Insufficient install clearance Cabinet cutout undersized; trapped heat triggers limit.
Parts you may need
If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.
More Bosch oven codes
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: bosch-home.com.