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Error code reference
Gaggenau Oven Error Code E035
Rotary switch fault-communication between UI and selector switches via serial protocol is defective; UI stops the active heating method.
SourceGaggenau Steam Oven - Service Manual: BS27X & BS28Xp. 55
Diagnostic procedure
The full E035 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
Delete fault codes in fault memory. Implement a double mains reset. Before respective software version replace display electronics module or power electronics module.
SourceGaggenau Steam Oven - Service Manual: BS27X & BS28Xp. 55
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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