Error code reference

Electrolux Oven Error Code EtUb

Boiler over temperature (TBOI) - missing water in boiler, limestone accumulation, parameter BOT set too low.

SourceElectrolux Professional Skyline/Magistar Ovens - Service Manual: Electronic Boardsp. 83

Diagnostic procedure

The full EtUb 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

First diagnostic step

Wait for boiler to cool down; run descale cycle with C25 tabs; for Touch perform Boiler Maintenance; for Digit run cleaning with descale.

SourceElectrolux Professional Skyline/Magistar Ovens - Service Manual: Electronic Boardsp. 83

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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 Electrolux oven.

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The full EtUb procedure

Where this code is documented

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