Full guide
What to check before you call
Safe observations first. Stop if anything involves smoke, gas, water near electricity, or a panel you would need to remove.
06 sections
To keep an ASKO dishwasher smelling fresh, wipe the door seal, clean the filters, run a vinegar or citric acid cleaning cycle as your manual allows, and use only as much detergent as the load needs. If an odor returns right after a clean, check the drain path and book a visit.
A musty dishwasher is an annoyance in the middle of the week, though a smell does not mean something has broken. Collect observations that are safe and easy to repeat; they are worth having if an ASKO visit ends up on the calendar.
The tips here separate routine freshening from jobs that call for measuring tools or removing parts. A door lock, safety switch, or error message should never be bypassed to squeeze out another run. Short notes taken now speed up and sharpen any diagnosis later.
Start with the simple conditions
After a load, dry the door gasket of water and visible bits of food, then prop the door and dispenser open a crack so air can get in. Stay within what the dishwasher allows, with no forcing of panels, fittings, or controls. If this changes the smell, confirm with one regular cycle before reaching a verdict.
Stale smells usually trace back to detergent buildup and moisture that stays put, not to a faulty part, particularly when cold programs and heavy detergent doses are habits. Notice whether it appears with every load, only after certain programs, or after long gaps between uses. That pattern says more than starting a cycle again and again.
| Chore | Frequency | Payoff |
|---|---|---|
| Dry the gasket | Following a load | Less standing moisture |
| Wash the dispenser | Once a month | Keeps buildup down |
| Start the interior-clean program | As the manual says | Freshens the tub |
How do you clean the inside of an ASKO dishwasher?
The cleaning guide for ASKO US dishwashers says to clean the interior at least once a year, more often with heavy use. For the interior, it describes emptying the machine, putting a dishwasher-safe container with 2 cups of vinegar on the bottom rack, or filling the soap compartment with citric acid crystals, then running a Normal Wash cycle. It says a vinegar or citric acid bath removes soap and rinse aid from the interior.
The guide says never to use anti-freeze, Draino, CLR, or other chemical cleaners in the dishwasher.
Safe checks that protect the appliance
Look in your use-and-care manual for controls that apply to your model, how to get at the filter, and how often to service it. Restrict cleaning to parts it marks as owner-serviceable, choose only the cleaning products it names, and return each removable item to its proper seat.
Another cycle should wait until blockages are cleared, a very heavy load is lightened, and nothing restricts airflow, the water supply, or space for the door to swing. Pressing reset repeatedly is a habit to drop: an intermittent fault can hide behind it, and water, heat, or pressure may stay trapped in the wrong spot.
- Write down a message or error code from the display before you clear it.
- Check hoses, vents, seals, and plugs that are in view, without moving any electrical connection.
- Do one planned test instead of a series of fast retries.
Worth doing
- Use the right amount of detergent
- Start the interior-clean program
- Let gasket and dispenser dry
Best left to a technician
- Scraping with abrasive tools
- Combining cleaning chemicals
- Taking the door seal off
How do you clean dishwasher filters and seals?
The guide says to clean the filters at least once a year, and the filter instructions are in the use-and-care manual. The components are washed with soap and water and then reinstalled. For the door edge and seal, the guide says to wipe with a damp cloth and, if needed, spray household cleaner on the cloth, not directly on the door. For the control panel it says to turn the dishwasher off and wipe with a damp cloth, with no household cleaners.
Odor, film, and standing water
The guide’s quick fixes pair each symptom with a cause. Odor inside points to cleaning the interior and filters. Water above the filters also points to cleaning the interior and filters. A white film points to cleaning the interior and using less detergent. If the dishwasher is connected to a food waste disposer, the guide says cleaning the disposer reduces odors.
If you have done the interior clean and the filters, and a smell remains, the cause could be in the drain connection or somewhere you cannot reach.
Know when the symptom needs diagnosis
When the simple steps leave the symptom as it was, that is the boundary for owner work. Control boards, gas connections, refrigerant lines, motors, pumps, heating circuits, and wiring inside the cabinet are for a technician who has test instruments and can confirm the work is safe.
Schedule a visit soon if the problem is worsening, a breaker trips, liquid leaks toward electrical parts, a hot or burnt smell shows up, a new grinding sound begins, or normal cycles will not complete. A dishwasher flashing a safety warning should stay off.
What to tell the technician
Share with the technician your model number, the exact behavior, how long ago it began, the programs and options selected, and the result of each safe check. Include a photo of a displayed code or a line describing a sound if you have one, but do not lift a cover to get it.
Observation cannot take the place of repair, yet it is where good service starts. Take care of the simple conditions, hold on to useful error details, and pass electrical, gas, sealed-system, and internal mechanical work on to a qualified ASKO technician.
Frequently asked questions
How often should I clean an ASKO dishwasher?
Per ASKO’s cleaning guide, both the interior and the filters should be cleaned a minimum of once a year, with heavier use calling for more frequent attention. Your own manual may list a different schedule for your model.
Why is there a white film inside my dishwasher?
The guide links a white film with detergent and residue and says to clean the interior and use less detergent. If the film comes back quickly, review how much detergent you add.
Can I use bleach or drain cleaner in the dishwasher?
No. The ASKO guide rules out anti-freeze, Draino, CLR, and other chemical cleaners for dishwashers. Use only what your manual describes.
Need help now? Visit our services page or contact us.
Official manuals and support notes are available on ASKO Support.
Order parts only after you have the whole model number in hand, as a different board or sensor revision can mean a different correct part number.
Cutting the power once and restoring it can clear a momentary fault. A code that keeps coming back points toward a physical cause that remains.
Make sure filters and vents stay clear until the next visit; blocked airflow tends to look like a sensor or electrical fault.
Should water, a burning smell, or sparks turn up, turn the dishwasher off and get a professional to look at it.