Bosch Oven E302 error code
The range's electronics have overheated. Bosch lists this separately for the power board (shown as e302) and the control panel (shown as E302); the appliance protects itself by flagging the fault until it cools down.
Also shown as: e302, E302
Last updated: September 30, 2026
What causes the E302 error?
- Power board running too hot
- Hot pots sitting near the control panel
- High room temperature around the appliance
How to fix Bosch E302 — step by step
Work through these in order, from simplest and safest first. Stop as soon as the code clears.
- Let the appliance cool down
Turn off cooking zones and the oven, move pots away from the control panel, and check the room temperature.Safety warning: Keep children away from the hot cooktop and oven while it cools. - Power-cycle the range
Turn the appliance off at the circuit breaker, wait five minutes, then turn it back on. - Call Bosch support
If the code returns, contact Bosch Customer Support at 1-800-944-2904.
When to call a technician
- The code keeps returning with the appliance cool and pots moved away
- You smell burning from the control area
Frequently asked questions
Can a hot pot really trigger E302?
Yes - Bosch specifically notes pot position can heat the control panel enough to trip the protection; moving the pot and letting things cool often clears it.
Sources
Every meaning and fix above was checked against official manufacturer documentation:
FixCode provides general troubleshooting information only — not professional repair advice. If you are unsure about any step, stop and call a qualified technician. Repairs done incorrectly can be dangerous and may void your warranty.