Where do I find the model information that belongs with E23?

In a studio, a crumpled foil ball was in play late after dinner; keep E23 with this dishwasher rating plate. E23 stays display text on this dishwasher; it is not a spare-part name.

Will this page tell a technician which board to replace for E23?

In a show kitchen, a glass on the tines was in play late after dinner; keep E23 with this dishwasher rating plate. E23 stays display text on this dishwasher; it is not a spare-part name.

La Cornue Dishwasher E23 Error Code

E23 on this La Cornue dishwasher is the exact display to record, not a published diagnosis. In a mudroom kitchen, a glass on the tines was in play mid-cycle; keep E23 with this dishwasher rating plate.

Book a Repair (310) 570-2050

Reviewed by Elena Voss · Last reviewed September 5, 2026

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

Error code E23

Appliance Dishwasher

Quick answer

E23 archive note for a La Cornue dishwasher. Observational only; no claimed mapping. In a rental suite, a glass on the tines was in play mid-cycle; keep E23 with this dishwasher rating plate.

Model compatibility: La Cornue reuses codes across series and model years, so E23 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

Write if standing water is visible in the base when it is safe to look. That context sits beside E23, not underneath a claimed meaning. In a breakfast bar, a bottom rack was in play mid-cycle; keep E23 with this dishwasher rating plate. In a chef line, a bottom rack was in play after a rinse; keep E23 with this dishwasher rating plate. In a tasting kitchen, a silverware basket was in play when the door was just latched; keep E23 with this dishwasher rating plate. In a pool cabana, a crumpled foil ball was in play when the door was just latched; keep E23 with this dishwasher rating plate.

Signs

Symptoms you may notice

Say whether the message appeared at start, mid-cycle, or after a restart. In a rental suite, a silverware basket was in play mid-cycle; keep E23 with this dishwasher rating plate while E23 is on the dishwasher

Record whether the door was latched and whether you heard water moving. In a breakfast bar, a crumpled foil ball was in play late after dinner; keep E23 with this dishwasher rating plate while E23 is on the dishwasher

Say whether the message appeared at start, mid-cycle, or after a restart. In a butler pantry, a crumpled foil ball was in play late after dinner; keep E23 with this dishwasher rating plate while E23 is on the dishwasher

Why it happens

Possible causes

Write E23 exactly as the dishwasher showed it, including extra icons. In a penthouse, a crumpled foil ball was in play after a rinse; keep E23 with this dishwasher rating plate

Add the rating-plate model from this dishwasher. In a carriage house, a glass on the tines was in play after a rinse; keep E23 with this dishwasher rating plate

Write if standing water is visible in the base when it is safe to look. In a pool cabana, a glass on the tines was in play after a rinse; keep E23 with this dishwasher rating plate

In a mudroom kitchen, a bottom rack was in play after a rinse; keep E23 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.

Photograph the display and write the cycle name if one is shown. In a galley, a glass on the tines was in play mid-cycle; keep E23 with this dishwasher rating plate

Try a manufacturer-approved restart only as documented. In a basement kitchenette, a bottom rack was in play mid-cycle; keep E23 with this dishwasher rating plate

Cancel the cycle from the normal control if the booklet shows how. In a tasting kitchen, a detergent cup was in play mid-cycle; keep E23 with this dishwasher rating plate

Safety warning

Important safety warning

Important safety warning.

Internal covers, terminal blocks, and locked doors stay closed at home. In a penthouse, a bottom rack was in play after a rinse; keep E23 with this dishwasher rating plate. Stop if water is reaching the floor or an electrical outlet. 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 open internal panels or touch high-voltage terminals. Do not keep running water-using programs if liquid is at the outlet. In a scullery, a glass on the tines was in play when the door was just latched; keep E23 with this dishwasher rating plate

Do not bypass door locks, safety switches, or interlocks. In a outdoor kitchen, a glass on the tines was in play when the door was just latched; keep E23 with this dishwasher rating plate

Do not keep running the dishwasher through a program that immediately fails. In a chef line, a bottom rack was in play when the door was just latched; keep E23 with this dishwasher rating plate

Get help

When to call a technician

Book a diagnosis

If E23 is still on the La Cornue dishwasher after a documented restart, or you are unsure, book a visit with the exact display, rating-plate model, and ZIP. In a chef line, a bottom rack was in play after a rinse; keep E23 with this dishwasher rating plate.

FAQ

Frequently asked questions

References

Sources & references

This archive is observational and does not replace the papers that came with the dishwasher. In a rental suite, a silverware basket was in play when the door was just latched; keep E23 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 E23 Error Code

Error code overview

What this code means

Symptoms you may notice

Say whether the message appeared at start, mid-cycle, or after a restart. In a rental suite, a silverware basket was in play mid-cycle; keep E23 with this dishwasher rating plate while E23 is on the dishwasher

Record whether the door was latched and whether you heard water moving. In a breakfast bar, a crumpled foil ball was in play late after dinner; keep E23 with this dishwasher rating plate while E23 is on the dishwasher

Say whether the message appeared at start, mid-cycle, or after a restart. In a butler pantry, a crumpled foil ball was in play late after dinner; keep E23 with this dishwasher rating plate while E23 is on the dishwasher

Possible causes

Write E23 exactly as the dishwasher showed it, including extra icons. In a penthouse, a crumpled foil ball was in play after a rinse; keep E23 with this dishwasher rating plate

Add the rating-plate model from this dishwasher. In a carriage house, a glass on the tines was in play after a rinse; keep E23 with this dishwasher rating plate

Write if standing water is visible in the base when it is safe to look. In a pool cabana, a glass on the tines was in play after a rinse; keep E23 with this dishwasher rating plate

In a mudroom kitchen, a bottom rack was in play after a rinse; keep E23 with this dishwasher rating plate

Safe checks you can make

Photograph the display and write the cycle name if one is shown. In a galley, a glass on the tines was in play mid-cycle; keep E23 with this dishwasher rating plate

Try a manufacturer-approved restart only as documented. In a basement kitchenette, a bottom rack was in play mid-cycle; keep E23 with this dishwasher rating plate

Cancel the cycle from the normal control if the booklet shows how. In a tasting kitchen, a detergent cup was in play mid-cycle; keep E23 with this dishwasher rating plate

Important safety warning

Important safety warning.

What not to attempt

Do not open internal panels or touch high-voltage terminals. Do not keep running water-using programs if liquid is at the outlet. In a scullery, a glass on the tines was in play when the door was just latched; keep E23 with this dishwasher rating plate

Do not bypass door locks, safety switches, or interlocks. In a outdoor kitchen, a glass on the tines was in play when the door was just latched; keep E23 with this dishwasher rating plate

Do not keep running the dishwasher through a program that immediately fails. In a chef line, a bottom rack was in play when the door was just latched; keep E23 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 E23 Error Code

Say whether the message appeared at start, mid-cycle, or after a restart. In a rental suite, a silverware basket was in play mid-cycle; keep E23 with this dishwasher rating plate while E23 is on the dishwasher

Record whether the door was latched and whether you heard water moving. In a breakfast bar, a crumpled foil ball was in play late after dinner; keep E23 with this dishwasher rating plate while E23 is on the dishwasher

Say whether the message appeared at start, mid-cycle, or after a restart. In a butler pantry, a crumpled foil ball was in play late after dinner; keep E23 with this dishwasher rating plate while E23 is on the dishwasher

Write E23 exactly as the dishwasher showed it, including extra icons. In a penthouse, a crumpled foil ball was in play after a rinse; keep E23 with this dishwasher rating plate

Add the rating-plate model from this dishwasher. In a carriage house, a glass on the tines was in play after a rinse; keep E23 with this dishwasher rating plate

Write if standing water is visible in the base when it is safe to look. In a pool cabana, a glass on the tines was in play after a rinse; keep E23 with this dishwasher rating plate

In a mudroom kitchen, a bottom rack was in play after a rinse; keep E23 with this dishwasher rating plate

Photograph the display and write the cycle name if one is shown. In a galley, a glass on the tines was in play mid-cycle; keep E23 with this dishwasher rating plate

Try a manufacturer-approved restart only as documented. In a basement kitchenette, a bottom rack was in play mid-cycle; keep E23 with this dishwasher rating plate

Cancel the cycle from the normal control if the booklet shows how. In a tasting kitchen, a detergent cup was in play mid-cycle; keep E23 with this dishwasher rating plate

Important safety warning.

Do not open internal panels or touch high-voltage terminals. Do not keep running water-using programs if liquid is at the outlet. In a scullery, a glass on the tines was in play when the door was just latched; keep E23 with this dishwasher rating plate

Do not bypass door locks, safety switches, or interlocks. In a outdoor kitchen, a glass on the tines was in play when the door was just latched; keep E23 with this dishwasher rating plate

Do not keep running the dishwasher through a program that immediately fails. In a chef line, a bottom rack was in play when the door was just latched; keep E23 with this dishwasher rating plate

Book a diagnosis

Seeing this code on your La Cornue appliance?

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01 Where do I find the model information that belongs with E23?

02 Will this page tell a technician which board to replace for E23?

Ready to restore your La Cornue appliance?

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