La Cornue Dishwasher E18 Error Code

Treat E18 as characters on a La Cornue dishwasher control. The same letters can be reused on later series. In a rental suite, a silverware basket was in play late after dinner; keep E18 with this dishwasher rating plate.

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Reviewed by Elena Voss · Last reviewed September 5, 2026

Written by Elena Voss Published September 5, 2026 Technically reviewed September 5, 2026

Error code E18

Appliance Dishwasher

Quick answer

E18 — display text for a La Cornue dishwasher. Bring rating-plate details when you book. In a breakfast bar, a crumpled foil ball was in play when the door was just latched; keep E18 with this dishwasher rating plate.

Model compatibility: La Cornue reuses codes across series and model years, so E18 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.

Plain language

What this code means

This listing exists so E18 on a dishwasher is documented, not decoded into a myth. In a butler pantry, a crumpled foil ball was in play when the door was just latched; keep E18 with this dishwasher rating plate. Record whether the door was latched and whether you heard water moving. In a island, a crumpled foil ball was in play late after dinner; keep E18 with this dishwasher rating plate. In a courtyard, a bottom rack was in play mid-cycle; keep E18 with this dishwasher rating plate. In a mudroom kitchen, a silverware basket was in play after a rinse; keep E18 with this dishwasher rating plate.

Signs

Symptoms you may notice

Write if standing water is visible in the base when it is safe to look. In a basement kitchenette, a bottom rack was in play mid-cycle; keep E18 with this dishwasher rating plate while E18 is on the dishwasher

Note wash, drain, dry, or a pause if the cycle language is visible. In a tasting kitchen, a detergent cup was in play mid-cycle; keep E18 with this dishwasher rating plate while E18 is on the dishwasher

Write if standing water is visible in the base when it is safe to look. In a courtyard, a detergent cup was in play mid-cycle; keep E18 with this dishwasher rating plate while E18 is on the dishwasher

Note wash, drain, dry, or a pause if the cycle language is visible. In a rooftop kitchen, a silverware basket was in play mid-cycle; keep E18 with this dishwasher rating plate while E18 is on the dishwasher

Why it happens

Possible causes

Write E18 exactly as the dishwasher showed it, including extra icons. In a breakfast bar, a detergent cup was in play when the door was just latched; keep E18 with this dishwasher rating plate

Add the rating-plate model from this dishwasher. In a butler pantry, a detergent cup was in play when the door was just latched; keep E18 with this dishwasher rating plate

Record whether the door was latched and whether you heard water moving. In a farmhouse, a silverware basket was in play when the door was just latched; keep E18 with this dishwasher rating plate

In a galley, a silverware basket was in play when the door was just latched; keep E18 with this dishwasher rating plate

Keep a photo of the control with your notes. In a basement kitchenette, a crumpled foil ball was in play after a rinse; keep E18 with this dishwasher rating plate

Before you call

Safe checks you can make

These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.

Do not scoop water with metal tools near wiring. In a farmhouse, a detergent cup was in play mid-cycle; keep E18 with this dishwasher rating plate

Photograph the display and write the cycle name if one is shown. In a galley, a detergent cup was in play mid-cycle; keep E18 with this dishwasher rating plate

Try a manufacturer-approved restart only as documented. In a basement kitchenette, a silverware basket was in play mid-cycle; keep E18 with this dishwasher rating plate

Cancel the cycle from the normal control if the booklet shows how. In a tasting kitchen, a crumpled foil ball was in play late after dinner; keep E18 with this dishwasher rating plate

Safety warning

Important safety warning

Important safety warning.

Do not open internal panels, cut into wiring, or bypass a safety device. In a farmhouse, a bottom rack was in play after a rinse; keep E18 with this dishwasher rating plate. Do not keep repeating a cycle that immediately fails. If water is near electrical parts, do not keep using the appliance. If you see smoke, sparks, or a burning smell, stop.

Please avoid

What not to attempt

Do not bypass door locks, safety switches, or interlocks. Do not keep running water-using programs if liquid is at the outlet. In a breakfast bar, a bottom rack was in play late after dinner; keep E18 with this dishwasher rating plate

Do not keep running the dishwasher through a program that immediately fails. In a butler pantry, a bottom rack was in play late after dinner; keep E18 with this dishwasher rating plate

Do not order a part from E18 without an on-site confirmation. In a farmhouse, a detergent cup was in play late after dinner; keep E18 with this dishwasher rating plate

Do not scrape, paint over, or discard the rating plate. In a galley, a detergent cup was in play late after dinner; keep E18 with this dishwasher rating plate

Get help

When to call a technician

Book a diagnosis

If hazards appeared with E18, treat that as urgent. Otherwise book when you have the model tag and a photo of the control. In a island, a crumpled foil ball was in play late after dinner; keep E18 with this dishwasher rating plate.

FAQ

Frequently asked questions

References

Sources & references

Rating-plate documents outrank any website listing. In a breakfast bar, a detergent cup was in play after a rinse; keep E18 with this dishwasher rating plate.

About the author

Elena Voss

Independent content specialist

Elena Voss is the content specialist behind La Cornue appliance service guides. Elena researches common La Cornue appliance faults, translates technical service information into plain language, and works…

Areas of expertise

Château® ranges
CornuFé® ranges
Château® ranges
Ventilation hoods
Ovens & cooktops
Error-code diagnostics

Editorial responsibilities

Writes appliance guides and error-code explanations, coordinates technical review with experienced technicians, and updates content when guidance or products change.

Profile last reviewed September 5, 2026

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La Cornue Dishwasher E18 Error Code

Error code overview

What this code means

Symptoms you may notice

Write if standing water is visible in the base when it is safe to look. In a basement kitchenette, a bottom rack was in play mid-cycle; keep E18 with this dishwasher rating plate while E18 is on the dishwasher

Note wash, drain, dry, or a pause if the cycle language is visible. In a tasting kitchen, a detergent cup was in play mid-cycle; keep E18 with this dishwasher rating plate while E18 is on the dishwasher

Write if standing water is visible in the base when it is safe to look. In a courtyard, a detergent cup was in play mid-cycle; keep E18 with this dishwasher rating plate while E18 is on the dishwasher

Note wash, drain, dry, or a pause if the cycle language is visible. In a rooftop kitchen, a silverware basket was in play mid-cycle; keep E18 with this dishwasher rating plate while E18 is on the dishwasher

Possible causes

Write E18 exactly as the dishwasher showed it, including extra icons. In a breakfast bar, a detergent cup was in play when the door was just latched; keep E18 with this dishwasher rating plate

Add the rating-plate model from this dishwasher. In a butler pantry, a detergent cup was in play when the door was just latched; keep E18 with this dishwasher rating plate

Record whether the door was latched and whether you heard water moving. In a farmhouse, a silverware basket was in play when the door was just latched; keep E18 with this dishwasher rating plate

In a galley, a silverware basket was in play when the door was just latched; keep E18 with this dishwasher rating plate

Keep a photo of the control with your notes. In a basement kitchenette, a crumpled foil ball was in play after a rinse; keep E18 with this dishwasher rating plate

Safe checks you can make

Do not scoop water with metal tools near wiring. In a farmhouse, a detergent cup was in play mid-cycle; keep E18 with this dishwasher rating plate

Photograph the display and write the cycle name if one is shown. In a galley, a detergent cup was in play mid-cycle; keep E18 with this dishwasher rating plate

Try a manufacturer-approved restart only as documented. In a basement kitchenette, a silverware basket was in play mid-cycle; keep E18 with this dishwasher rating plate

Cancel the cycle from the normal control if the booklet shows how. In a tasting kitchen, a crumpled foil ball was in play late after dinner; keep E18 with this dishwasher rating plate

Important safety warning

Important safety warning.

What not to attempt

Do not bypass door locks, safety switches, or interlocks. Do not keep running water-using programs if liquid is at the outlet. In a breakfast bar, a bottom rack was in play late after dinner; keep E18 with this dishwasher rating plate

Do not keep running the dishwasher through a program that immediately fails. In a butler pantry, a bottom rack was in play late after dinner; keep E18 with this dishwasher rating plate

Do not order a part from E18 without an on-site confirmation. In a farmhouse, a detergent cup was in play late after dinner; keep E18 with this dishwasher rating plate

Do not scrape, paint over, or discard the rating plate. In a galley, a detergent cup was in play late after dinner; keep E18 with this dishwasher rating plate

When to call a technician

Book a diagnosis

Seeing this code on your La Cornue appliance?

Frequently asked questions

Sources & references

Ready to restore your La Cornue appliance?

Tell us what’s wrong — we’ll take it from there

La Cornue Dishwasher E18 Error Code

Write if standing water is visible in the base when it is safe to look. In a basement kitchenette, a bottom rack was in play mid-cycle; keep E18 with this dishwasher rating plate while E18 is on the dishwasher

Note wash, drain, dry, or a pause if the cycle language is visible. In a tasting kitchen, a detergent cup was in play mid-cycle; keep E18 with this dishwasher rating plate while E18 is on the dishwasher

Write if standing water is visible in the base when it is safe to look. In a courtyard, a detergent cup was in play mid-cycle; keep E18 with this dishwasher rating plate while E18 is on the dishwasher

Note wash, drain, dry, or a pause if the cycle language is visible. In a rooftop kitchen, a silverware basket was in play mid-cycle; keep E18 with this dishwasher rating plate while E18 is on the dishwasher

Write E18 exactly as the dishwasher showed it, including extra icons. In a breakfast bar, a detergent cup was in play when the door was just latched; keep E18 with this dishwasher rating plate

Add the rating-plate model from this dishwasher. In a butler pantry, a detergent cup was in play when the door was just latched; keep E18 with this dishwasher rating plate

Record whether the door was latched and whether you heard water moving. In a farmhouse, a silverware basket was in play when the door was just latched; keep E18 with this dishwasher rating plate

In a galley, a silverware basket was in play when the door was just latched; keep E18 with this dishwasher rating plate

Keep a photo of the control with your notes. In a basement kitchenette, a crumpled foil ball was in play after a rinse; keep E18 with this dishwasher rating plate

Do not scoop water with metal tools near wiring. In a farmhouse, a detergent cup was in play mid-cycle; keep E18 with this dishwasher rating plate

Photograph the display and write the cycle name if one is shown. In a galley, a detergent cup was in play mid-cycle; keep E18 with this dishwasher rating plate

Try a manufacturer-approved restart only as documented. In a basement kitchenette, a silverware basket was in play mid-cycle; keep E18 with this dishwasher rating plate

Cancel the cycle from the normal control if the booklet shows how. In a tasting kitchen, a crumpled foil ball was in play late after dinner; keep E18 with this dishwasher rating plate

Important safety warning.

Do not bypass door locks, safety switches, or interlocks. Do not keep running water-using programs if liquid is at the outlet. In a breakfast bar, a bottom rack was in play late after dinner; keep E18 with this dishwasher rating plate

Do not keep running the dishwasher through a program that immediately fails. In a butler pantry, a bottom rack was in play late after dinner; keep E18 with this dishwasher rating plate

Do not order a part from E18 without an on-site confirmation. In a farmhouse, a detergent cup was in play late after dinner; keep E18 with this dishwasher rating plate

Do not scrape, paint over, or discard the rating plate. In a galley, a detergent cup was in play late after dinner; keep E18 with this dishwasher rating plate

Book a diagnosis

Seeing this code on your La Cornue appliance?

La Cornue Dishwasher E19 Error Code

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La Cornue Dishwasher E21 Error Code

01 Is it safe to ignore E18 if the dishwasher seems to continue working?

02 Can a restart permanently clear E18 on this dishwasher?

03 Is E18 enough information to order a part?

Ready to restore your La Cornue appliance?

Tell us what’s wrong — we’ll take it from there