AskWhiz
EtUCElectrolux Professional

Electrolux Professional EtUC

Cavity over-temperature (recoverable)

Source: Electrolux Professional 3/UM_05UMC13_ENG01_SKLOVN_1_5_1_1_EPR_UMG_SkyLineOvens_ENG_20250617.pdf

Want this fix in your inbox? Full EtUC guide + every Electrolux Professional code, printable, free.

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. It is typically linked to a dirty cavity, an incorrect parameter, or a very cold room at start-up.

Symptoms

  • EtUC displayed and the oven stops
  • Cavity temperature higher than expected
  • Cooking resumes once the cavity has cooled
  • May appear after start-up in a cold room

Common causes

  • Cavity is dirty and retaining heat
  • Parameter COT set too low
  • Room temperature below 5 degrees C at start-up

Diagnostic steps

  1. 01

    Launch a cooling cycle

    Start a cooling cycle to bring the cavity temperature down quickly.

  2. 02

    Open the door if needed

    If a cooling cycle is not possible, open the door and let the oven cool down.

  3. 03

    Clean the cavity

    Remove residue so the chamber no longer traps excess heat.

  4. 04

    Restart cooking once cool

    When the temperature drops it is possible to launch a new cooking cycle.

  5. 05

    Call Service if it reappears

    If the error shows up again after cooling and cleaning, call Service.

Keep this fix — get it by email with every Electrolux Professional error code

A clean printable version of this Electrolux Professional EtUC guide + the full Electrolux Professional code pack (29 codes), straight to your inbox. Free.

I am a — required, one click

When to call a professional

If EtUC keeps reappearing after the cavity has cooled and been cleaned, contact an Electrolux Professional service centre. A repeating over-temperature alarm can mean the COT parameter is wrong or a sensor is misreading, both of which require service-level access. Persistent alarms should not be ignored, as they indicate the oven is repeatedly exceeding safe cavity temperatures.

Don't want to DIY this? Open a service ticket on AskWhiz and get it handled — pay per ticket, no subscription.

Open a ticket — free account

Other Electrolux Professional error codes

AskWhiz Playground

Test your diagnostic skills

Play a real HVAC service call in the AskWhiz Playground — real brands, real fault codes, no signup.

Play a real service call