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Troubleshooting

The Panel Lights Up and Ignores You. Check the Lock First

An Electrolux control lock is a deliberate feature that stops the panel responding so a running cycle cannot be changed by a passing hand. On a front-load washer it displays LOC. On a cooktop it shows a dash across the display, and the maker's own instruction is to press and hold OFF for six seconds — most people let go at three, which releases nothing and proves nothing. On a dryer the related setting is Mute, which switches the end-of-cycle chime off and leaves an owner convinced something has failed. None of the three is a repair, and all three look identical to a dead panel from across a room.

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The full guide

Troubleshooting By Appliance Content Team Last checked 2 minute read

The Electrolux control lock is the cheapest problem in this whole site, and it reaches us more often than most things that are genuinely broken.

Where the control lock key hides, appliance by appliance Control lock is a feature that disables a panel deliberately so keys cannot be pressed by accident. A locked panel is lit and unresponsive; a panel that has genuinely died is dark, so the light on the display is the first thing to look at. It is switched off the same way it was switched on: by holding one key for about three seconds rather than tapping it, and most people simply let go too early. Where that key sits varies by model, so each of these is a most-often rather than a rule. On an oven or range it is usually a number key with the lock function printed beside it. On a cooktop it is usually a dedicated key with a padlock symbol. On a dishwasher it is commonly the Start or Cancel key. On a dryer it is usually a cycle or option key marked with a padlock. LIT AND UNRESPONSIVE IS LOCKED. DARK IS DEAD. HOLD, DO NOT TAP — ABOUT THREE SECONDS A short press does nothing by design, which is why the second attempt is usually the same early release. WHERE THE KEY SITS — MOST OFTEN, BECAUSE PANELS DIFFER Oven and range Most often a number key, with the lock printed on or beside it. Cooktop Most often a dedicated key with a padlock on it. Some want all zones off. Dishwasher Most often Start or Cancel. On an integrated door, open it to see at all. Dryer Most often a cycle or option key carrying the padlock symbol. A lock that clears and comes back on its own is not a setting That is the panel or the board reading a key press nobody is making, and it is a real repair.
It is switched on by a dishtowel, by a child, and by whoever last wiped the panel down. Thirty seconds of looking ends a startling share of "the panel is dead" calls.

What it looks like

The appliance is lit. The display is doing something. Every button you press does nothing at all.

From six feet away that is indistinguishable from a control board that has died, and it is what people describe on the phone: "it powers up and it will not respond."

Three places it hides on this badge

On a front-load washer it shows LOC. The maker names the condition — control lock activator — and publishes nothing further behind it, because the button combination differs between models. The panel stops responding so a cycle cannot be changed by a passing hand or by a child at exactly eye level with the controls.

On a cooktop it shows a dash. Not a code, not a number: a line across the display, because there is nothing else the control is willing to say while locked. The maker's own instruction is to press and hold OFF for six seconds. Most people hold it for three, conclude nothing happened, and stop. That single difference accounts for a real share of these calls.

On a dryer it is Mute. Not a lock, but the same shape of problem: the end-of-cycle chime is switched off, the machine no longer tells anybody it has finished, and the load sits creasing. Nothing has failed. Some models light a speaker icon to say so.

Why it is switched on so often

Nobody sets it deliberately. It gets switched on by a dishtowel dragged across a panel, by a child, and by whoever last wiped the controls down — which on a cooktop is a weekly event.

That is also why it is worth ruling out first on any appliance that has recently been cleaned. A wet cloth on a touch panel can do both this and a genuine problem, and one of the two costs nothing.

How to tell it apart from a real problem

Look for the icon. A key or a padlock, usually small, usually on the panel rather than in the display. If it is lit, that is the whole story.

Check whether the panel is lit at all. A locked panel is illuminated and unresponsive. A dark panel is a power problem, a door switch, or the control itself — and that one is worth booking.

Check what has just run. After a self-clean cycle the oven door stays locked through the cool-down and the cooking surface is locked out with it. That is not a problem and it releases itself.

If the hold does not release it

On a cooktop, give it thirty seconds at the breaker after the six-second hold. If the dash comes straight back with no cycle running, the control is refusing to let the lock go and that is a repair.

On a washer, if the panel is unlit and unresponsive with no lock icon anywhere, this is not LOC and the machine has a power or control problem instead.

Either way you have spent two minutes and ruled out the free answer, which is the correct order to do this in.

If it turns out to be a repair

Every job on this site is priced the same way: an on-site diagnostic first, the figure agreed in writing before anybody starts.

  • Washer signal LOC

    Electrolux washer — reported by blinking lights rather than by a code. The control lock is on.

    What the lights are telling you

  • Washers

    Six machines, and every one of them is a front loader — 300, 400, 500, 600 and 700 Series plus a 24-inch compact. This make builds no top-load washer at all, which is the clearest single difference between this badge and the mass-market half of the same group. Laundry is the deep end of this line rather than an afterthought: 22 machines across washers, dryers and towers against six refrigerators. The maker publishes eight washer codes with real procedures behind them, and — worth knowing before you are quoted — three of those eight are installation problems rather than failures.

    • Six washers, all front-load, 300 through 700 Series plus a 24-inch compact
    • No top loader is built on this badge at all
    • Three of the eight published codes are installation problems, not failures
    Washer repair

Questions people ask about this

The panel is completely dark and nothing responds.

That is not the lock. A locked panel is lit and unresponsive; a dark one is power, the door switch circuit or the control. Worth booking rather than troubleshooting.

Why does my cooktop show a dash after a clean cycle?

The oven door stays locked through the cool-down and the surface is locked out with it. That is correct behavior and it releases itself once the cavity is cold.

Where is the lock button?

It differs by model and it usually shares a button with something else, needing a hold rather than a tap. This maker documents the condition and sends you to the book that came with the machine for the combination, which is honest rather than unhelpful.

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Tell us the model number and what it is doing.

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This article is based on:

  • Official manufacturer documentation
  • Internal repair procedures
  • Technician repair history
  • Company quality standards
Call (305) 912-9018