How should I describe E09 if the display later goes blank?

In a tasting kitchen, a wok ring was in play after a boil-dry scare; keep E09 with this cooktop rating plate. E09 stays display text on this cooktop; it is not a spare-part name.

What is worth writing down before a visit about E09?

In a courtyard, a wok ring was in play on a quiet morning; keep E09 with this cooktop rating plate. E09 stays display text on this cooktop; it is not a spare-part name.

Where do I find the model information that belongs with E09?

In a rooftop kitchen, a simmer plate was in play on a quiet morning; keep E09 with this cooktop rating plate. E09 stays display text on this cooktop; it is not a spare-part name.

La Cornue Cooktop E09 Error Code

When E09 appears on a La Cornue cooktop, the useful next step is documentation you can hand a technician. In a ADU, a simmer plate was in play while a kettle was coming up; keep E09 with this cooktop 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 E09

Appliance Cooktop

Quick answer

La Cornue cooktop / E09: what to record and when to stop using the appliance. In a pool house, a stockpot was in play during a stir-fry; keep E09 with this cooktop rating plate.

Model compatibility: La Cornue reuses codes across series and model years, so E09 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

Short codes like E09 are reused. In a guest house, a stockpot was in play after a boil-dry scare; keep E09 with this cooktop rating plate. On this cooktop, capture the display and the plate. Note which zone was on and whether a pan was in place. In a rental suite, a simmer plate was in play while a kettle was coming up; keep E09 with this cooktop rating plate. In a studio, a stockpot was in play during a stir-fry; keep E09 with this cooktop rating plate. In a rooftop kitchen, a grill press was in play after a boil-dry scare; keep E09 with this cooktop rating plate.

Signs

Symptoms you may notice

Write whether the cooktop was gas, induction, or another surface type if you know it. In a butler pantry, a wok ring was in play on a quiet morning; keep E09 with this cooktop rating plate while E09 is on the cooktop

Say whether the control locked or kept chirping after the message. In a farmhouse, a simmer plate was in play on a quiet morning; keep E09 with this cooktop rating plate while E09 is on the cooktop

Write whether the cooktop was gas, induction, or another surface type if you know it. In a galley, a simmer plate was in play while a kettle was coming up; keep E09 with this cooktop rating plate while E09 is on the cooktop

Say whether the control locked or kept chirping after the message. In a basement kitchenette, a stockpot was in play during a stir-fry; keep E09 with this cooktop rating plate while E09 is on the cooktop

Why it happens

Possible causes

Write E09 exactly as the cooktop showed it, including extra icons. In a pool cabana, a grill press was in play during a stir-fry; keep E09 with this cooktop rating plate

Add the rating-plate model from this cooktop. In a mudroom kitchen, a copper bowl was in play after a boil-dry scare; keep E09 with this cooktop rating plate

Note which zone was on and whether a pan was in place. In a rental suite, a copper bowl was in play on a quiet morning; keep E09 with this cooktop rating plate

In a breakfast bar, an empty grate was in play while a kettle was coming up; keep E09 with this cooktop 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 every zone off and let glass or grates cool before you look closely. In a terrace, a simmer plate was in play while a kettle was coming up; keep E09 with this cooktop rating plate

Do not flood the surface or pry at the control glass. In a in-law kitchen, a stockpot was in play during a stir-fry; keep E09 with this cooktop rating plate

Photograph the display while the characters are still visible. In a penthouse, a stockpot was in play after a boil-dry scare; keep E09 with this cooktop rating plate

Safety warning

Important safety warning

Important safety warning.

If the outlet is wet, skip unplugging and isolate power another safe way or wait for help. In a terrace, a wok ring was in play on a quiet morning; keep E09 with this cooktop rating plate. Stop for smoke, sparks, or a burning smell at the surface. 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 scrape, paint over, or discard the rating plate. Do not keep operating burners or oven modes if you smell gas. In a pool cabana, a stockpot was in play on a quiet morning; keep E09 with this cooktop rating plate

Do not force a locked door or a jammed control while the cooktop is hot. In a mudroom kitchen, a grill press was in play while a kettle was coming up; keep E09 with this cooktop rating plate

Do not open internal panels or touch high-voltage terminals. In a rental suite, a grill press was in play during a stir-fry; keep E09 with this cooktop rating plate

Get help

When to call a technician

Book a diagnosis

A diagnosis visit is the right next step if E09 persists, if you cannot safely reach the outlet, or if the cooktop behaves differently after the message. In a rental suite, a simmer plate was in play while a kettle was coming up; keep E09 with this cooktop rating plate.

FAQ

Frequently asked questions

References

Sources & references

Display messages for a cooktop belong in the booklet that shipped with the appliance. In a pool house, a simmer plate was in play while a kettle was coming up; keep E09 with this cooktop 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 Cooktop E09 Error Code

Error code overview

What this code means

Symptoms you may notice

Write whether the cooktop was gas, induction, or another surface type if you know it. In a butler pantry, a wok ring was in play on a quiet morning; keep E09 with this cooktop rating plate while E09 is on the cooktop

Say whether the control locked or kept chirping after the message. In a farmhouse, a simmer plate was in play on a quiet morning; keep E09 with this cooktop rating plate while E09 is on the cooktop

Write whether the cooktop was gas, induction, or another surface type if you know it. In a galley, a simmer plate was in play while a kettle was coming up; keep E09 with this cooktop rating plate while E09 is on the cooktop

Say whether the control locked or kept chirping after the message. In a basement kitchenette, a stockpot was in play during a stir-fry; keep E09 with this cooktop rating plate while E09 is on the cooktop

Possible causes

Write E09 exactly as the cooktop showed it, including extra icons. In a pool cabana, a grill press was in play during a stir-fry; keep E09 with this cooktop rating plate

Add the rating-plate model from this cooktop. In a mudroom kitchen, a copper bowl was in play after a boil-dry scare; keep E09 with this cooktop rating plate

Note which zone was on and whether a pan was in place. In a rental suite, a copper bowl was in play on a quiet morning; keep E09 with this cooktop rating plate

In a breakfast bar, an empty grate was in play while a kettle was coming up; keep E09 with this cooktop rating plate

Safe checks you can make

Turn every zone off and let glass or grates cool before you look closely. In a terrace, a simmer plate was in play while a kettle was coming up; keep E09 with this cooktop rating plate

Do not flood the surface or pry at the control glass. In a in-law kitchen, a stockpot was in play during a stir-fry; keep E09 with this cooktop rating plate

Photograph the display while the characters are still visible. In a penthouse, a stockpot was in play after a boil-dry scare; keep E09 with this cooktop rating plate

Important safety warning

Important safety warning.

What not to attempt

Do not scrape, paint over, or discard the rating plate. Do not keep operating burners or oven modes if you smell gas. In a pool cabana, a stockpot was in play on a quiet morning; keep E09 with this cooktop rating plate

Do not force a locked door or a jammed control while the cooktop is hot. In a mudroom kitchen, a grill press was in play while a kettle was coming up; keep E09 with this cooktop rating plate

Do not open internal panels or touch high-voltage terminals. In a rental suite, a grill press was in play during a stir-fry; keep E09 with this cooktop 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 Cooktop E09 Error Code

Write whether the cooktop was gas, induction, or another surface type if you know it. In a butler pantry, a wok ring was in play on a quiet morning; keep E09 with this cooktop rating plate while E09 is on the cooktop

Say whether the control locked or kept chirping after the message. In a farmhouse, a simmer plate was in play on a quiet morning; keep E09 with this cooktop rating plate while E09 is on the cooktop

Write whether the cooktop was gas, induction, or another surface type if you know it. In a galley, a simmer plate was in play while a kettle was coming up; keep E09 with this cooktop rating plate while E09 is on the cooktop

Say whether the control locked or kept chirping after the message. In a basement kitchenette, a stockpot was in play during a stir-fry; keep E09 with this cooktop rating plate while E09 is on the cooktop

Write E09 exactly as the cooktop showed it, including extra icons. In a pool cabana, a grill press was in play during a stir-fry; keep E09 with this cooktop rating plate

Add the rating-plate model from this cooktop. In a mudroom kitchen, a copper bowl was in play after a boil-dry scare; keep E09 with this cooktop rating plate

Note which zone was on and whether a pan was in place. In a rental suite, a copper bowl was in play on a quiet morning; keep E09 with this cooktop rating plate

In a breakfast bar, an empty grate was in play while a kettle was coming up; keep E09 with this cooktop rating plate

Turn every zone off and let glass or grates cool before you look closely. In a terrace, a simmer plate was in play while a kettle was coming up; keep E09 with this cooktop rating plate

Do not flood the surface or pry at the control glass. In a in-law kitchen, a stockpot was in play during a stir-fry; keep E09 with this cooktop rating plate

Photograph the display while the characters are still visible. In a penthouse, a stockpot was in play after a boil-dry scare; keep E09 with this cooktop rating plate

Important safety warning.

Do not scrape, paint over, or discard the rating plate. Do not keep operating burners or oven modes if you smell gas. In a pool cabana, a stockpot was in play on a quiet morning; keep E09 with this cooktop rating plate

Do not force a locked door or a jammed control while the cooktop is hot. In a mudroom kitchen, a grill press was in play while a kettle was coming up; keep E09 with this cooktop rating plate

Do not open internal panels or touch high-voltage terminals. In a rental suite, a grill press was in play during a stir-fry; keep E09 with this cooktop rating plate

Book a diagnosis

Seeing this code on your La Cornue appliance?

Cooktop Repair

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01 How should I describe E09 if the display later goes blank?

02 What is worth writing down before a visit about E09?

03 Where do I find the model information that belongs with E09?

Ready to restore your La Cornue appliance?

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