What should I do first if E18 appears during cooking or a cycle?

In a pool house, a rotisserie spit was in play after a self-clean attempt; keep E18 with this oven rating plate. E18 stays display text on this oven; it is not a spare-part name.

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

In a guest house, a rotisserie spit was in play during a holiday roast; keep E18 with this oven rating plate. E18 stays display text on this oven; it is not a spare-part name.

La Cornue Oven E18 Error Code

This page is about the E18 message on a La Cornue oven: what to capture, what to stop for, and what helps a visit. In a basement kitchenette, a steam tray was in play after a self-clean attempt; keep E18 with this oven 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 Oven

Quick answer

La Cornue oven message E18. Write what you see; do not assume one failed part. In a tasting kitchen, a rotisserie spit was in play during a holiday roast; keep E18 with this oven 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

E18 is the string this La Cornue oven showed. In a courtyard, a rotisserie spit was in play while a probe was in the bird; keep E18 with this oven rating plate. In a penthouse, a steam tray was in play after a self-clean attempt; keep E18 with this oven rating plate. Note bake, broil, steam, or clean if those words were on the control. In a scullery, a rotisserie spit was in play during a holiday roast; keep E18 with this oven rating plate. In a galley, a rotisserie spit was in play while a probe was in the bird; keep E18 with this oven rating plate.

Signs

Symptoms you may notice

Record whether the door was latched, slightly open, or in a clean cycle. In a tasting kitchen, a pastry stone was in play after a self-clean attempt; keep E18 with this oven rating plate while E18 is on the oven

Say whether the oven lamp, fan, or probe was in use. In a courtyard, a pastry stone was in play during a holiday roast; keep E18 with this oven rating plate while E18 is on the oven

Record whether the door was latched, slightly open, or in a clean cycle. In a rooftop kitchen, a foil-lined pan was in play during a holiday roast; keep E18 with this oven rating plate while E18 is on the oven

Why it happens

Possible causes

Write E18 exactly as the oven showed it, including extra icons. In a butler pantry, a Dutch oven was in play while a probe was in the bird; keep E18 with this oven rating plate

Add the rating-plate model from this oven. In a farmhouse, a roasting rack was in play mid-preheat; keep E18 with this oven rating plate

Note bake, broil, steam, or clean if those words were on the control. In a galley, a roasting rack was in play after a self-clean attempt; keep E18 with this oven rating plate

In a basement kitchenette, a pizza steel was in play during a holiday roast; keep E18 with this oven 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.

Turn the oven off and wait until it is cool enough to approach. In a pool cabana, a steam tray was in play while a probe was in the bird; keep E18 with this oven rating plate

Do not force a locked door during a clean cycle. In a mudroom kitchen, a rotisserie spit was in play mid-preheat; keep E18 with this oven rating plate

Photograph the exact characters before they clear. In a rental suite, a rotisserie spit was in play after a self-clean attempt; keep E18 with this oven rating plate

Safety warning

Important safety warning

Important safety warning.

Internal covers, terminal blocks, and locked doors stay closed at home. In a chef line, a roasting rack was in play mid-preheat; keep E18 with this oven rating plate. If you smell gas, do not keep tapping the control; leave and call the gas provider. If you smell gas, do not operate switches; leave and contact the gas provider and a qualified technician. 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 operating burners or oven modes if you smell gas. In a terrace, a pastry stone was in play after a self-clean attempt; keep E18 with this oven rating plate

Do not bypass door locks, safety switches, or interlocks. In a in-law kitchen, a foil-lined pan was in play after a self-clean attempt; keep E18 with this oven rating plate

Do not keep running the oven through a program that immediately fails. In a penthouse, a foil-lined pan was in play during a holiday roast; keep E18 with this oven rating plate

Get help

When to call a technician

Book a diagnosis

If E18 is still on the La Cornue oven after a documented restart, or you are unsure, book a visit with the exact display, rating-plate model, and ZIP. In a penthouse, a steam tray was in play after a self-clean attempt; keep E18 with this oven rating plate.

FAQ

Frequently asked questions

References

Sources & references

Display messages for a oven belong in the booklet that shipped with the appliance. In a tasting kitchen, a foil-lined pan was in play during a holiday roast; keep E18 with this oven 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 Oven E18 Error Code

Error code overview

What this code means

Symptoms you may notice

Record whether the door was latched, slightly open, or in a clean cycle. In a tasting kitchen, a pastry stone was in play after a self-clean attempt; keep E18 with this oven rating plate while E18 is on the oven

Say whether the oven lamp, fan, or probe was in use. In a courtyard, a pastry stone was in play during a holiday roast; keep E18 with this oven rating plate while E18 is on the oven

Record whether the door was latched, slightly open, or in a clean cycle. In a rooftop kitchen, a foil-lined pan was in play during a holiday roast; keep E18 with this oven rating plate while E18 is on the oven

Possible causes

Write E18 exactly as the oven showed it, including extra icons. In a butler pantry, a Dutch oven was in play while a probe was in the bird; keep E18 with this oven rating plate

Add the rating-plate model from this oven. In a farmhouse, a roasting rack was in play mid-preheat; keep E18 with this oven rating plate

Note bake, broil, steam, or clean if those words were on the control. In a galley, a roasting rack was in play after a self-clean attempt; keep E18 with this oven rating plate

In a basement kitchenette, a pizza steel was in play during a holiday roast; keep E18 with this oven rating plate

Safe checks you can make

Turn the oven off and wait until it is cool enough to approach. In a pool cabana, a steam tray was in play while a probe was in the bird; keep E18 with this oven rating plate

Do not force a locked door during a clean cycle. In a mudroom kitchen, a rotisserie spit was in play mid-preheat; keep E18 with this oven rating plate

Photograph the exact characters before they clear. In a rental suite, a rotisserie spit was in play after a self-clean attempt; keep E18 with this oven 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 operating burners or oven modes if you smell gas. In a terrace, a pastry stone was in play after a self-clean attempt; keep E18 with this oven rating plate

Do not bypass door locks, safety switches, or interlocks. In a in-law kitchen, a foil-lined pan was in play after a self-clean attempt; keep E18 with this oven rating plate

Do not keep running the oven through a program that immediately fails. In a penthouse, a foil-lined pan was in play during a holiday roast; keep E18 with this oven 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 Oven E18 Error Code

Record whether the door was latched, slightly open, or in a clean cycle. In a tasting kitchen, a pastry stone was in play after a self-clean attempt; keep E18 with this oven rating plate while E18 is on the oven

Say whether the oven lamp, fan, or probe was in use. In a courtyard, a pastry stone was in play during a holiday roast; keep E18 with this oven rating plate while E18 is on the oven

Record whether the door was latched, slightly open, or in a clean cycle. In a rooftop kitchen, a foil-lined pan was in play during a holiday roast; keep E18 with this oven rating plate while E18 is on the oven

Write E18 exactly as the oven showed it, including extra icons. In a butler pantry, a Dutch oven was in play while a probe was in the bird; keep E18 with this oven rating plate

Add the rating-plate model from this oven. In a farmhouse, a roasting rack was in play mid-preheat; keep E18 with this oven rating plate

Note bake, broil, steam, or clean if those words were on the control. In a galley, a roasting rack was in play after a self-clean attempt; keep E18 with this oven rating plate

In a basement kitchenette, a pizza steel was in play during a holiday roast; keep E18 with this oven rating plate

Turn the oven off and wait until it is cool enough to approach. In a pool cabana, a steam tray was in play while a probe was in the bird; keep E18 with this oven rating plate

Do not force a locked door during a clean cycle. In a mudroom kitchen, a rotisserie spit was in play mid-preheat; keep E18 with this oven rating plate

Photograph the exact characters before they clear. In a rental suite, a rotisserie spit was in play after a self-clean attempt; keep E18 with this oven rating plate

Important safety warning.

Do not open internal panels or touch high-voltage terminals. Do not keep operating burners or oven modes if you smell gas. In a terrace, a pastry stone was in play after a self-clean attempt; keep E18 with this oven rating plate

Do not bypass door locks, safety switches, or interlocks. In a in-law kitchen, a foil-lined pan was in play after a self-clean attempt; keep E18 with this oven rating plate

Do not keep running the oven through a program that immediately fails. In a penthouse, a foil-lined pan was in play during a holiday roast; keep E18 with this oven rating plate

Book a diagnosis

Seeing this code on your La Cornue appliance?

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01 What should I do first if E18 appears during cooking or a cycle?

02 Is it safe to ignore E18 if the oven seems to continue working?

Ready to restore your La Cornue appliance?

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