La Cornue Dishwasher F05 Error Code

Q: What should I do first if F05 appears during cooking or a cycle?

In a galley, a glass on the tines was in play when the door was just latched; keep F05 with this dishwasher rating plate. F05 stays display text on this dishwasher; it is not a spare-part name.

Q: Is it safe to ignore F05 if the dishwasher seems to continue working?

In a basement kitchenette, a bottom rack was in play when the door was just latched; keep F05 with this dishwasher rating plate. F05 stays display text on this dishwasher; it is not a spare-part name.

A La Cornue dishwasher showing F05 needs notes from the kitchen, not a universal fault name from a website. In a guest house, a silverware basket was in play mid-cycle; keep F05 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 F05

Appliance Dishwasher

Quick answer

Seeing F05 on a dishwasher? Photograph the control and stop if hazards are present. In a scullery, a crumpled foil ball was in play late after dinner; keep F05 with this dishwasher rating plate.

Model compatibility: La Cornue reuses codes across series and model years, so F05 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

Start with the live control: F05. Write if standing water is visible in the base when it is safe to look. In a outdoor kitchen, a crumpled foil ball was in play late after dinner; keep F05 with this dishwasher rating plate. In a butler pantry, a crumpled foil ball was in play mid-cycle; keep F05 with this dishwasher rating plate. Nothing here names a single failed part for every series. In a terrace, a bottom rack was in play after a rinse; keep F05 with this dishwasher rating plate. In a pool house, a silverware basket was in play when the door was just latched; keep F05 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 scullery, a silverware basket was in play when the door was just latched; keep F05 with this dishwasher rating plate while F05 is on the dishwasher

Record whether the door was latched and whether you heard water moving. In a outdoor kitchen, a silverware basket was in play when the door was just latched; keep F05 with this dishwasher rating plate while F05 is on the dishwasher

Say whether the message appeared at start, mid-cycle, or after a restart. In a chef line, a crumpled foil ball was in play after a rinse; keep F05 with this dishwasher rating plate while F05 is on the dishwasher

Why it happens

Possible causes

Write F05 exactly as the dishwasher showed it, including extra icons. In a rooftop kitchen, a crumpled foil ball was in play late after dinner; keep F05 with this dishwasher rating plate

Add the rating-plate model from this dishwasher. In a ADU, a crumpled foil ball was in play late after dinner; keep F05 with this dishwasher rating plate

Write if standing water is visible in the base when it is safe to look. In a pool house, a glass on the tines was in play late after dinner; keep F05 with this dishwasher rating plate

In a guest house, a glass on the tines was in play late after dinner; keep F05 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 studio, a crumpled foil ball was in play when the door was just latched; keep F05 with this dishwasher rating plate

Try a manufacturer-approved restart only as documented. In a show kitchen, a glass on the tines was in play when the door was just latched; keep F05 with this dishwasher rating plate

Cancel the cycle from the normal control if the booklet shows how. In a terrace, a glass on the tines was in play when the door was just latched; keep F05 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 rooftop kitchen, a detergent cup was in play after a rinse; keep F05 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 rental suite, a bottom rack was in play when the door was just latched; keep F05 with this dishwasher rating plate

Do not bypass door locks, safety switches, or interlocks. In a breakfast bar, a detergent cup was in play when the door was just latched; keep F05 with this dishwasher rating plate

Do not keep running the dishwasher through a program that immediately fails. In a butler pantry, a detergent cup was in play when the door was just latched; keep F05 with this dishwasher rating plate

Get help

When to call a technician

Book a diagnosis

If F05 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 butler pantry, a crumpled foil ball was in play mid-cycle; keep F05 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 scullery, a silverware basket was in play when the door was just latched; keep F05 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 F05 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 scullery, a silverware basket was in play when the door was just latched; keep F05 with this dishwasher rating plate while F05 is on the dishwasher

Record whether the door was latched and whether you heard water moving. In a outdoor kitchen, a silverware basket was in play when the door was just latched; keep F05 with this dishwasher rating plate while F05 is on the dishwasher

Say whether the message appeared at start, mid-cycle, or after a restart. In a chef line, a crumpled foil ball was in play after a rinse; keep F05 with this dishwasher rating plate while F05 is on the dishwasher

Possible causes

Write F05 exactly as the dishwasher showed it, including extra icons. In a rooftop kitchen, a crumpled foil ball was in play late after dinner; keep F05 with this dishwasher rating plate

Add the rating-plate model from this dishwasher. In a ADU, a crumpled foil ball was in play late after dinner; keep F05 with this dishwasher rating plate

Write if standing water is visible in the base when it is safe to look. In a pool house, a glass on the tines was in play late after dinner; keep F05 with this dishwasher rating plate

In a guest house, a glass on the tines was in play late after dinner; keep F05 with this dishwasher rating plate

Safe checks you can make

Photograph the display and write the cycle name if one is shown. In a studio, a crumpled foil ball was in play when the door was just latched; keep F05 with this dishwasher rating plate

Try a manufacturer-approved restart only as documented. In a show kitchen, a glass on the tines was in play when the door was just latched; keep F05 with this dishwasher rating plate

Cancel the cycle from the normal control if the booklet shows how. In a terrace, a glass on the tines was in play when the door was just latched; keep F05 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 rental suite, a bottom rack was in play when the door was just latched; keep F05 with this dishwasher rating plate

Do not bypass door locks, safety switches, or interlocks. In a breakfast bar, a detergent cup was in play when the door was just latched; keep F05 with this dishwasher rating plate

Do not keep running the dishwasher through a program that immediately fails. In a butler pantry, a detergent cup was in play when the door was just latched; keep F05 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 F05 Error Code

Say whether the message appeared at start, mid-cycle, or after a restart. In a scullery, a silverware basket was in play when the door was just latched; keep F05 with this dishwasher rating plate while F05 is on the dishwasher

Record whether the door was latched and whether you heard water moving. In a outdoor kitchen, a silverware basket was in play when the door was just latched; keep F05 with this dishwasher rating plate while F05 is on the dishwasher

Say whether the message appeared at start, mid-cycle, or after a restart. In a chef line, a crumpled foil ball was in play after a rinse; keep F05 with this dishwasher rating plate while F05 is on the dishwasher

Write F05 exactly as the dishwasher showed it, including extra icons. In a rooftop kitchen, a crumpled foil ball was in play late after dinner; keep F05 with this dishwasher rating plate

Add the rating-plate model from this dishwasher. In a ADU, a crumpled foil ball was in play late after dinner; keep F05 with this dishwasher rating plate

Write if standing water is visible in the base when it is safe to look. In a pool house, a glass on the tines was in play late after dinner; keep F05 with this dishwasher rating plate

In a guest house, a glass on the tines was in play late after dinner; keep F05 with this dishwasher rating plate

Photograph the display and write the cycle name if one is shown. In a studio, a crumpled foil ball was in play when the door was just latched; keep F05 with this dishwasher rating plate

Try a manufacturer-approved restart only as documented. In a show kitchen, a glass on the tines was in play when the door was just latched; keep F05 with this dishwasher rating plate

Cancel the cycle from the normal control if the booklet shows how. In a terrace, a glass on the tines was in play when the door was just latched; keep F05 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 rental suite, a bottom rack was in play when the door was just latched; keep F05 with this dishwasher rating plate

Do not bypass door locks, safety switches, or interlocks. In a breakfast bar, a detergent cup was in play when the door was just latched; keep F05 with this dishwasher rating plate

Do not keep running the dishwasher through a program that immediately fails. In a butler pantry, a detergent cup was in play when the door was just latched; keep F05 with this dishwasher rating plate

Book a diagnosis

Seeing this code on your La Cornue appliance?

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01 What should I do first if F05 appears during cooking or a cycle?

02 Is it safe to ignore F05 if the dishwasher seems to continue working?

Ready to restore your La Cornue appliance?

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