When a Burning Smell Means Stop Immediately

A burning smell that persists, gets stronger, or smells electrical means stop using the appliance, keep people away, and arrange a diagnosis instead of running another cycle. A faint odor on the first run of a new appliance is a different case, and your manual’s guidance applies to that one first.

A burning smell from an appliance can be frustrating, especially when it interrupts a normal household routine. A symptom alone does not identify a failed part, so start with observations that are safe, repeatable, and useful if you later arrange an ASKO service visit.

This guide separates routine care from work that requires testing or disassembly. Do not bypass a lock, safety switch, or error message to keep an appliance running. Taking a few notes now can make the eventual diagnosis faster and more accurate.

Start with the simple conditions

Stop the appliance, keep people away from the area, and isolate power only if you can do so without touching water, smoke, or a damaged connection. Make the check with the appliance in its normal position and without forcing panels, fittings, or controls. If the result changes after a simple adjustment, run one normal cycle or operation before drawing a conclusion.

A brief first-use odor can occur on some new appliances, but a persistent, worsening, or electrical smell during normal use requires professional assessment. Look for a pattern: whether the issue happens every time, only with a particular load or setting, or after the appliance has been running for a while. That distinction is more valuable than repeatedly restarting the appliance.

Telling smells apart

A smell of scorched food or spilled residue points to something sitting on a hot surface. A sharp, acrid, or plastic-like smell, or one that arrives with buzzing, humming, or discoloration, points away from simple residue and toward a fault.

Neither version identifies a part, and the absence of smoke is not a sign of safety. The smell is the signal; the cause is for a technician to find.

Safe checks that protect the appliance

Consult the use-and-care manual for model-specific controls, filter access, and maintenance intervals. Clean only parts described as user-serviceable, use the recommended cleaning products, and refit every removable part exactly as it was designed to sit.

Before trying another cycle, clear obstructions, reduce an unusually heavy load, and make sure airflow, water supply, or door clearance is not being restricted. Avoid repeated resets: they can hide an intermittent fault and may leave water, heat, or pressure where it should not be.

• Record any displayed message or error code before clearing it.
• Check visible hoses, vents, seals, and plugs without moving electrical connections.
• Use one controlled test rather than several back-to-back attempts.
• Ventilate the room only if you can do so without approaching the appliance.

Know when the symptom needs diagnosis

If the basic checks do not change the symptom, stop at the user-serviceable boundary. Internal wiring, heating circuits, pumps, motors, refrigerant lines, gas connections, and control boards need the correct test equipment and a technician who can verify the repair safely.

Arrange service promptly when performance is getting worse, the appliance trips a breaker, leaks near electrical parts, smells hot or burnt, makes a new grinding noise, or cannot complete a normal cycle. Do not continue operating an appliance that gives a safety warning.

The first minutes: what to do and what to leave alone

1. Stop the appliance and keep people and pets away from it.
2. Ventilate the room if you can do so safely.
3. Isolate power only if the switch or breaker is dry and reachable without going near smoke.
4. Do not run a test cycle to see whether the smell returns.
5. Book a diagnosis and describe when the smell appeared and what the appliance was doing.

If there is visible smoke or flame, leave the area and call emergency services. Do not use water on an electrical fire.

What to tell the technician

Share the model number, the exact symptom, when it began, what settings were selected, and the results of the safe checks above. A photo of a code or a short description of the sound can also help, but never remove a cover to obtain it.

Useful details for the appointment are when the smell started, whether it comes with a sound or only with heat, and whether it appears at one point in a cycle or throughout. Those details narrow the question without anyone opening the appliance, and they matter more than a description of how strong the smell was.

Careful observation is not a substitute for repair, but it is the best first step. Address the simple conditions, preserve any useful error information, and leave electrical, gas, sealed-system, and internal mechanical work to a qualified ASKO technician.

Common questions

Is a burning smell from a new appliance normal?

A brief odor on first use can occur on some new appliances, and the manual may say so for your model. If it lingers, strengthens, or smells electrical, stop using it.

Can I run an empty cycle to see whether the smell goes away?

Not when the smell seems electrical. A test run adds heat and power to a possible fault, which is the opposite of what you want.

Does the absence of smoke mean it is safe?

No. A fault can produce an odor well before anything visible appears, so the smell alone is enough reason to stop.

Need help now? Visit our services page or contact us.

Official manuals and support notes are available on ASKO Support.

Write down the full model number before ordering parts. Board and sensor revisions can change which part number is correct.

A single power reset can clear a temporary fault, but repeated returns of the same code usually mean a physical cause remains.

Keep vents and filters clear between visits. Restricted airflow often mimics electrical or sensor failures.

If water, burning smells, or sparking are present, stop using the appliance and arrange a professional inspection.