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Error code reference
Gaggenau Cooktop Error Code H
Overheating protection active on affected cooking zones; alternates with residual heat display.
SourceGaggenau Cooktop - Service Manual: Sensor Cooking Panel (CK474, CK494)p. 10
Diagnostic procedure
The full H 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
Allow temperature to fall below threshold; cooking zones remain OFF but can be turned up again when H disappears.
SourceGaggenau Cooktop - Service Manual: Sensor Cooking Panel (CK474, CK494)p. 10
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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