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Error code reference
Bosch Cooktop Error Code F4
User Interface overheating error: the User Interface has switched off all cooking zones for safety reasons due to overheating.
SourceBosch HII8055U Cooktop - Service Manual: Programs & Settingsp. 17
Diagnostic procedure
The full F4 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
Check F4 error counter via service programme P7 (press ninth sensor).
SourceBosch HII8055U Cooktop - Service Manual: Programs & Settingsp. 17
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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Where this code is documented
1 manual in the MyPros+ library documents this code for Bosch cooktop.
Models covered by the manuals that document this code
75,000+ service documents · 20,000+ error codes · 100+ brands
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