What does Electrolux Professional EtC mean?

On a SkyLine combi oven, EtC means the cavity safety thermostat (TSC) has tripped because the cooking chamber reached an over-temperature condition. The oven stops to protect itself.

What does Electrolux Professional EtUC mean?

EtUC indicates the SkyLine oven cavity has reached an over-temperature condition and the oven has stopped. Unlike the safety-switch alarm, this one is recoverable: once the cavity cools, a new cooking cycle can be started.

What does Electrolux Professional Etb mean?

Etb means the SkyLine oven's boiler safety thermostat has tripped due to over-temperature in the steam boiler, and boiler cycles stop. The oven cannot produce steam normally; it switches to an alternative device with reduced performance.

How do I maintain a Electrolux Professional unit?

Follow the Electrolux Professional recommended maintenance schedule: daily cleaning of accessible surfaces, weekly inspection of seals and gaskets, monthly check of electrical connections and water filters, and annual professional service including calibration and safety checks.

Where can I find Electrolux Professional parts and documentation?

Genuine Electrolux Professional replacement parts and service documentation are available through authorised dealers. For instant answers about Electrolux Professional troubleshooting and maintenance, use AskWhiz on WhatsApp.

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By Octavian Ghindea

Co-founder & CTO · Reviewed July 2026

What error codes does Electrolux Professional display?

EtC

Cavity safety switch triggered (TSC) — cavity over-temperature

EtUC

Cavity over-temperature (recoverable)

Etb

Boiler safety thermostat trips — boiler over-temperature

EtUb

Boiler over-temperature (recoverable / descale-related)

EbOL

Boiler thermocouple failure

BoLt

Boiler water loading timeout

BEtr

Boiler excessive temperature-rise time (warning)

LPIn

Boiler level sensor problem

dESC

Descale boiler — scale threshold reached (stops cycle)

dESS

Descale boiler — scale build-up threshold reached (warning)

Eprb1

Single-point core probe failure

Epr6

Six-point core probe failure

Common questions about Electrolux Professional equipment

What other commercial kitchen brands does AskWhiz cover?

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