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Error code reference
Bosch Range Error Code E302
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.
SourceBosch Benchmark Induction Range - Service Manual (HIIP054C, HIIP054U)p. 29
Diagnostic procedure
The full E302 procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
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, check for stuck relays.
SourceBosch Benchmark Induction Range - Service Manual (HIIP054C, HIIP054U)p. 29
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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