Service
La Cornue appliance control board repair
Only part of this make has electronics at all, and where it does — induction generators, multifunction oven controls, the Tourelle, motorized hood controls — a board is the last suspect rather than the first. An Er code and a measured failure send us here; an unexplained symptom does not.
- From $95 diagnostic, credited to the repair
- 59 cities and neighborhoods covered
- OEM parts available on order
- In writing the price, before anything is opened
Before you read on
What this job costs and how it is agreed
A starting figure, not a quote. What moves it is the model, how the unit is built in and which part it needs — settled after the on-site diagnostic.
Starts at
from $345
After a diagnostic from $95, which comes off the bill when you go ahead.
or call (305) 614-3699
Diagnostic
From $95, credited to the repair
The price
In writing, before anything is opened
Warranty
On the labor we performed
On the visit
How this visit actually goes
The same order every time, so nothing is opened and nothing is charged before you have seen the figure and said yes.
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01
Prove the inputs first
A board condemned with a failed sensor still attached comes back as a second visit and a second bill.
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02
Prove the supply
Voltage and connection at the appliance. A board blamed for a supply problem fails again in a week.
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03
Prove the sensors
Every input measured. This is where most board replacements should have stopped.
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04
Prove the loads
Elements, coils, motors. A shorted load takes a new board with it on the first cycle.
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05
Quote the board with its lead time
On a hand-built appliance a control can ship from France. The owner is told that before the order, not after.
Applies to
The La Cornue units we carry this work out on
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Vaulted ovens and convection ovens — gas, electric, and the Tourelle wall oven La Cornue oven repair in Miami
There are three different ovens on this make and they fail in three different ways. The vaulted gas oven cooks by radiant heat inside a sealed dome and has an electric broiler over it. The vaulted electric oven sits on the other side of the same range. And since 2025 there is a standalone one: the Château Tourelle, a fully electric multifunction wall oven in 60 and 75 centimeter widths, built to sit in a cabinet run next to a Château cooktop. Which of the three you have decides everything about the repair.
- Vaulted gas, vaulted electric and the electric Tourelle wall oven
- Gas ovens carry an electric broiler — browning and baking can fail separately
- Thermostat drift is measured against a probe, never adjusted by feel
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Brass gas burners · plaque coup de feu · lava-rock grill · induction · teppanyaki La Cornue cooktop repair in Miami
A La Cornue cooktop is a set of modules chosen at order time and dropped into a stainless frame: brass gas burners at 17,000 and 7,500 BTU, a 22,000 BTU power burner, the cast-iron plaque coup de feu heated by a single burner underneath, a lava-rock grill, ceramic-glass induction zones, an electric teppanyaki plate. This is the top of a range, and each module is a different repair. Sold on its own without ovens beneath it, the same top is a rangetop, and it has its own page.
- Gas, induction, French top, grill and teppanyaki modules on one frame
- Induction is the only half of this line that shows a code — E2, U400, Er
- A cracked glass hob is disconnected first and diagnosed second
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T40 to T48 · 200 mm into the counter · the same modules, no ovens beneath La Cornue rangetop repair in Miami
A rangetop is the top half of a La Cornue sold in its own right: the same brass burners, the same plaque coup de feu, the same grill, induction and teppanyaki modules, in a stainless frame 200 mm deep that drops into a counter with nothing underneath it. T40 through T48, from 600 to 1800 mm wide. Every cooktop repair applies to it and no oven repair does — which makes it the simplest appliance in the line and the one most often confused with the range on a booking.
- T40 to T48 — the same configuration codes as the range
- No ovens, no oven thermostats, no door seals
- Much lighter than a range, so the one job that prices weight rarely applies
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Dual fuel · gas · all-induction — Château, Châtelet, Castel, Grand Palais, CornuFé La Cornue range repair in Miami
The range is what La Cornue makes, and everything else in the line exists around it. A Château is built to order in France, arrives in a crate weighing over half a ton, and is assembled from parts a customer chose one at a time: which oven is gas and which is electric, whether the top carries a French top, a lava-rock grill, induction or a teppanyaki plate, which of about fifty enamels, which trim metal. Two of them are almost never identical. That is the first thing a repair on one has to take seriously — the model number tells you the size, and the configuration code tells you what is actually under the lids.
- Dual fuel, all gas or all induction — three different ranges, three parts lists
- The configuration code, not just the model, decides what is on the top
- Made-to-order enamel and trim are part of the job, not an extra
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Château motorized hoods H11–H20 · island hoods · inserts · CornuFé Cascade, Euclid, Loge, Marquee La Cornue range hood repair in Miami
The hood over a La Cornue is not an accessory bought to match. A motorized Château hood starts at $17,400 for the 90 and runs past $25,000 for the Grand Palais 180, it is made in the same enamels and trims as the range, and it does real work: a 600 CFM blower on a four-speed variable motor, baffle filters with a grease capture system, three 20-watt lights and a remote. When one stops, the kitchen it was built for stops working properly.
- Motorized Château hoods, island hoods and inserts, plus the CornuFé collection
- 600 CFM blower, four-speed variable motor, baffle filters, remote control
- A hood is finished to match the range — the enamel is part of the repair
In more detail
About La Cornue appliance control board repair
About boards, and why they are the last suspect here
Three quarters of the models on this site have no electronics to fail at all. Where there are electronics — an induction generator, a multifunction oven control, the Tourelle, a motorized hood control — the things in front of them fail far more often and cost far less: supply, connection, sensors, coils, elements. So the supply is proved, then every sensor, then every load, and the board is quoted last and with its lead time, because a control for a hand-built appliance can ship from France.
This article is based on:
- Official manufacturer documentation
- Internal repair procedures
- Technician repair history
- Company quality standards
Before you book
Questions about La Cornue appliance control board repair
Why not just fit a board and see?
Because a board fitted with a failed sensor or a shorted load still attached fails again on the first cycle, and then you have paid for two. Measuring in order is arithmetic rather than caution: the cheap parts are also the likely ones.
What if the board is not available?
We tell you in writing rather than leaving it open. On a current platform it is unlikely; on an older configuration it happens, and the honest options are a repair to the existing board where that is genuinely possible, or a reduced function — a range with one working oven is still a range. We will not fit something approximate into an appliance like this.
Where we do it
Across Miami-Dade, Broward, and Palm Beach
Same terms everywhere we go: an on-site diagnostic first, the price agreed in writing, and the exact figure confirmed once we have seen the unit.
Neighborhoods people ask for by name