THE QUICK ANSWER

A flashing time after a power cut can mean the oven needs its clock set. On one documented Electrolux freestanding panel, use + or − while the time-of-day indicator flashes, then wait about five seconds. Other panels use different controls, so match the procedure to your model first.

To set the clock on an Electrolux oven, first identify its control panel: the button sequence depends on the model. If the time is flashing after a power cut, the oven may be waiting for you to set the time of day. Some panels use + and − buttons; others use a knob, an OK button or a settings menu.

Electrolux gives a practical example for one type of freestanding cooker panel: when its time indicator is flashing, adjust the time with + or − and wait about five seconds for the display to stop flashing. That is an example, not a universal shortcut. Match your panel to the manufacturer’s instructions before trying it.

Start with what is on the display

What you seeWhat to check first
00:00 or 12:00 is flashing after a power cutThe time may need to be set again. Find the time-of-day procedure for your panel.
The clock shows the wrong time but is not flashingLook for your panel’s change time of day procedure. This may differ from setting it after a power cut.
The display is on, but you see a countdownCheck whether you selected the minute minder rather than the time of day.
The display is blankA blank display is a different symptom from a flashing clock. Check the applicable standby and power guidance for your model.
The time is set, but the oven still does not heatCheck the selected oven function and any active timer settings. A correct clock alone does not rule out another problem.

If your appliance is a Zanussi rather than an Electrolux, see our separate Zanussi oven-clock guide. The brands have several panel designs; do not assume a sequence for one oven applies to another.

Example: a freestanding panel with + and −

Electrolux describes the following behaviour for one freestanding cooker panel. Use it only when the panel and instructions match your appliance:

  1. After connection to power or a power cut, look for the time-of-day indicator flashing. Distinguish it from the minute-minder or cooking-duration indicators.
  2. Use + or − to set the correct time.
  3. Wait about five seconds. On this documented panel, the flashing stops and the display shows the set time.

To change the time later on that example panel, Electrolux says to press the clock button repeatedly until the time-of-day indicator flashes, then set the new time as above. Its guidance also notes that the current time cannot be changed while a function is active on that panel.

Check before you press: a timer, duration or end-time symbol is not necessarily the time-of-day indicator. If your controls or symbols do not match this example, stop and use the instructions for your own model. The manufacturer’s page illustrates several other panel types, including one with a rotary control and another with a settings menu.

How to change the time when the clock is not flashing

If you are changing from summer to winter time, your clock may show a steady but incorrect time. Find the time of day setting for your panel rather than setting a cooking duration.

Depending on the design, the control can involve a clock button, an adjustment knob or a menu. The appropriate confirmation step also differs. If an active programme prevents changes, check your model’s instructions for ending that programme before adjusting the clock. Once you have set the time, confirm that the display shows the current time rather than a countdown.

How to find the right instructions for your oven

Look for the appliance data plate on the front frame of the oven cavity or around the door frame. Electrolux recommends using the product number code (PNC) because a model name can have several variants. Record the model and full PNC, then use Electrolux’s official documentation search to find the matching clock-functions section.

You can also compare your panel with Electrolux’s clock support page. A similar-looking button is not sufficient proof that an unfamiliar control has the same functions.

Why is the clock flashing after a power cut?

For many Electrolux ovens, a flashing time after installation or an interruption to power means the time has not yet been set. Entering it again is a sensible first check. Electrolux also notes that certain oven functions may be unavailable until the clock is set on some models.

If the display repeatedly loses the time, stays unresponsive or the oven still will not operate after you follow the correct instructions, record the model and the exact behaviour and contact Electrolux or a qualified service professional. A clock setting cannot diagnose a power-supply or control fault.

Frequently asked questions

Do I need to reset the whole oven to change the clock?

Usually you are looking for the time-of-day setting, not a factory reset. Follow the clock-changing instructions for your panel. Do not disconnect the appliance or change other settings merely to find the clock control.

Why does my Electrolux oven show 00:00 or 12:00?

Those displays can appear after installation or a power interruption when the clock needs to be set. Check whether the time or its indicator is flashing and use the procedure for your model; do not assume the number by itself proves a fault.

Why won’t my oven heat after a power cut?

An unset clock is one possibility on models that require it, but it is not the only one. After setting the time, check the selected function and any active duration or end-time setting. If the oven still does not work, consult the model-specific troubleshooting guidance or arrange service.

Why is the clock display dark when the oven is off?

Some panels have a standby setting that hides the time. Electrolux describes this behaviour for an example panel, but a blank display can also have another cause. Check the exact model’s display and power guidance before changing settings.

The useful takeaway

Identify the panel, select time of day rather than a cooking timer, and confirm that the display becomes steady. A clock setting does not diagnose an unresolved heating or power fault.

Sources & scope

Manufacturer documentation and official guidance, checked 1 Nov 2026. This is a researched explanation, not a hands-on test or a manufacturer service bulletin. Match instructions to your exact model.

  1. Electrolux UK: oven clock flashes or displays 00:00 / 12:00

    several control-panel examples and the freestanding-cooker example described above.

  2. Electrolux UK: oven does not heat up

    clock, function and timer checks as possible explanations.

  3. Electrolux UK: time is not shown when the oven is turned off

    an example of standby behaviour; verify your own panel.