Lamona dishwasher E01 error code
What E01 means on a Lamona dishwasher
Anti-flood protection activated: water detected in the base.
Meaning checked by NAC's engineers, 9 November 2026.
What our engineers say
When your Lamona dishwasher shows E01, its flood protection has switched on because it has detected water in the base of the machine. You may also notice it not draining, beeping or flashing lights, leaking, refusing to fill, a water supply warning, unusual noise or the electrics tripping.
Engineers sometimes find a worn or loose seal along the bottom of the door letting water escape, or a drain pump that is blocked with debris or has failed. Other things they sometimes find are a leak from the wash motor, an internal pipe that has come loose or become blocked, or a drain hose that has not been refitted properly. Now and then the cause is outside the machine, with blocked kitchen drains or a badly angled waste fitting under the sink sending water back into the dishwasher. Sometimes the water is cleared and no fault is found.
An engineer will usually clear the water from the base, run test cycles while watching for leaks, check the drain pump and carry out electrical safety checks. They then replace the door seal, clear or replace the pump, fit a new wash motor, or clear and refit the pipes. A part sometimes has to be ordered and fitted at a second visit.
Written by our engineers from NAC's own jobs.
Faults this code turns up with
What our engineers found and fixed for each, from NAC's own repair records.
What we fixed. We'll add what our engineers found, the parts they fitted and what customers typically paid once enough of these repairs are confirmed. How we work out our figures.
Before you check anything yourself
- Switch the dishwasher off and unplug it, or turn it off at the isolator switch, before you touch anything. Our guide to safely isolating an appliance walks you through it.
- An error code tells you where to look, not that it's safe to take the dishwasher apart. Don't remove panels or covers to get at the parts it points to: that's an engineer's job.
- If it involves the mains supply, sealed parts, or you're not confident at any point, stop and book a qualified engineer rather than risk injury or further damage.
Rather leave it to us?
- Fixed-price quote before any work starts
- Same or next-day visits where available
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