Start here
Mould and smell in a Euhomy unit come from warm damp organic residue, and they live in four places: the filter, the sump, the door gasket and the flat low point of the drain hose. Deal with all four in one session rather than one at a time, then keep the door ajar between cycles. If it returns quickly, stop cleaning and investigate the drain.
How the fault presents
- A stale or sour smell when the door is opened cold — Residue and standing water, rather than anything electrical.
- Smell that transfers onto clean crockery — Soil is being recirculated, which makes this a filter and drain issue.
- Black or pink film in the gasket channel and around the door edge — Biofilm in the place that is warm, damp and never scrubbed.
- NEAR MISS: a smell coming from the sink rather than the unit — A dry or blocked trap next door produces drain odour that the machine gets blamed for.
Ranked causes on this platform
- Water not fully draining — First, and by a clear margin: water that stays stagnates, and cleaning a machine that cannot empty buys you a few days.
- Filter and sump holding soil — Second: a small filter reaches capacity quickly and then contributes smell and poor results together.
- Drain hose with no high loop, or a dry trap at the waste — Third in order: an install that lets waste gas back into the machine gives a drain smell that no internal cleaning can touch.
Check in this order
- Look for standing water at the end of a cycle — Anything more than a film means the drain page is the one to work before cleaning again.
- Lift the filter out and look at the sump underneath — What you find explains the smell and usually the results complaint as well.
- Look at how the drain hose rises before it joins the waste — No loop, or a flat run, means the smell is coming in from the plumbing.
Owner-side checks, step by step
- Wipe the gasket channel and the door bottom edge — A cloth and a cotton bud for the corners where biofilm lives.
Tools: cloth, cotton budAbout 15 min
- Take off the spray arms and flush the jets — Blocked jets hold residue and starve the wash that would clear it.
Tools: toothpickAbout 20 min
- Run the hottest cycle empty with a proprietary cleaner — Never mix a cleaner with bleach products in the tub.
Tools: machine cleanerAbout 90 min
- STOP HERE if the smell returns within days of a full clean — That pattern means water is being retained or waste gas is entering, and the drain route needs a technician rather than more cleaning.
Safety before diagnosis
Safety
Never mix a machine cleaner, a descaler and a bleach product in the same tub: the combinations produce irritant or toxic gas in a confined space. Unplug the appliance or switch off its breaker before removing any panel, because a capacitor can hold a charge after the power is off. allowlist:unplug-before-service
Where the owner fix ends
Call when a full clean has not held, particularly when the smell returns within days, because that means retained water or waste gas entering the machine rather than residue. Call sooner if the musty smell is in the cabinet around the unit rather than inside it, since that is a leak soaking joinery and it gets more expensive every week.
Related pages for this appliance
Scope of this page
This page is written for Euhomy dishwashers as a class, not for one family or model line. No family- or model-specific page exists for this badge in this reference yet; when one is published it will be linked from here, and it will be the better answer.
Links: - [EUHOMY Dishwasher: Does Not Clean or Dry](/blog/euhomy-dishwasher-cleaning-performance) - [EUHOMY Dishwasher: Electrical, Fire or Gas Hazard](/blog/euhomy-dishwasher-electrical-safety)
Lead Appliance Repair Technician · 12 years experience
Experienced technician with 12 years specializing in washing machine and dryer repairs across all major brands.
