e302
Moderate
Bosch · Ovens & Ranges
Control module overheating
Quick Answer
Error code E302 on your Bosch Ovens & Ranges means: Control module overheating. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Turn off the oven and allow it to cool completely.
2
Check that the oven's cooling fan is functioning by listening for it during operation.
3
Clear all vents of dust, grease, or obstructions.
4
Inspect the cooling fan motor for proper operation.
5
Check heating elements with a multimeter for continuity.
6
Monitor relay operation for stuck-on condition.
7
If overheating persists, the control module and cooling fan may need replacement.
8
Reset the high-temperature cutout (HTC) near the door latch.
9
Use the Bosch service kit to replace control module and cooling fan together.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Cooling fan
Control module
Bosch service kit
Multimeter
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