Bosch Oven Error Code E302
Control module too hot
Control module too hot — temperature sensor on the control module detects temperature higher than limit value; control turns off heating elements and fan defaults to high speed.
First step from the service manual
If cooling fan is not operating, check connections to the fan and the control module (see Small Load Schematic). If cooling fan is operating, check element operation, check for air obstruction or damaged upper/lower ventilation trims, and check for stuck relays.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
Get the full diagnostic procedure for E302.
- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts from the OEM service manual
- Verified part numbers when replacement is required
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