Should I keep running this ventilation hood while E02 is on the control?

In a chef line, a night-light was in play during a smoky sear; keep E02 with this ventilation hood rating plate. E02 stays display text on this ventilation hood; it is not a spare-part name.

La Cornue Ventilation E02

Q: Will this page tell a technician which board to replace for E02?

In a outdoor kitchen, a remote-blower switch was in play while the fan was on high; keep E02 with this ventilation hood rating plate. E02 stays display text on this ventilation hood; it is not a spare-part name.

Use this listing to prepare a ventilation hood service request around E02, not to name an internal component. In a chef line, a remote-blower switch was in play while the fan was on high; keep E02 with this ventilation hood 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 E02

Appliance Ventilation

Quick answer

E02 on this ventilation hood is a clue for diagnosis, not a spare-parts list. In a island, a remote-blower switch was in play during a smoky sear; keep E02 with this ventilation hood rating plate.

Model compatibility: La Cornue reuses codes across series and model years, so E02 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

If you opened this page because a La Cornue ventilation hood presented E02, stay with facts. In a studio, a night-light was in play after the lights flickered; keep E02 with this ventilation hood rating plate. Say if the control is on the canopy, a wall switch, or the range. In a basement kitchenette, a remote-blower switch was in play while the fan was on high; keep E02 with this ventilation hood rating plate. In a carriage house, a night-light was in play during a smoky sear; keep E02 with this ventilation hood rating plate. In a outdoor kitchen, a night-light was in play after the lights flickered; keep E02 with this ventilation hood rating plate.

Signs

Symptoms you may notice

Note fan speed, lights, and whether the hood was capturing cooking vapor. In a farmhouse, a night-light was in play after the lights flickered; keep E02 with this ventilation hood rating plate while E02 is on the ventilation hood

Write whether the make-up air or remote blower, if you have one, was running. In a galley, a night-light was in play while the fan was on high; keep E02 with this ventilation hood rating plate while E02 is on the ventilation hood

Note fan speed, lights, and whether the hood was capturing cooking vapor. In a basement kitchenette, a clogged filter you can see from the canopy was in play during a smoky sear; keep E02 with this ventilation hood rating plate while E02 is on the ventilation hood

Why it happens

Possible causes

Write E02 exactly as the ventilation hood showed it, including extra icons. In a mudroom kitchen, a remote-blower switch was in play during a smoky sear; keep E02 with this ventilation hood rating plate

Add the rating-plate model from this ventilation hood. In a rental suite, a remote-blower switch was in play after the lights flickered; keep E02 with this ventilation hood rating plate

Say if the control is on the canopy, a wall switch, or the range. In a breakfast bar, a night-light was in play while the fan was on high; keep E02 with this ventilation hood rating plate

In a butler pantry, a night-light was in play during a smoky sear; keep E02 with this ventilation hood rating plate

Keep a photo of the control with your notes. In a farmhouse, a clogged filter you can see from the canopy was in play after the lights flickered; keep E02 with this ventilation hood 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.

Restart only if your documentation describes a user reset. In a outdoor kitchen, a remote-blower switch was in play during a smoky sear; keep E02 with this ventilation hood rating plate

Turn the fan and lights off from the normal user control. In a chef line, a night-light was in play after the lights flickered; keep E02 with this ventilation hood rating plate

Do not climb into the canopy or remove a blower from a ladder. In a island, a night-light was in play while the fan was on high; keep E02 with this ventilation hood rating plate

Photograph the message if the hood has a display. In a studio, a clogged filter you can see from the canopy was in play during a smoky sear; keep E02 with this ventilation hood rating plate

Safety warning

Important safety warning

Important safety warning.

Cool-down first when the ventilation hood has been producing heat. In a basement kitchenette, a rattling baffle was in play after the lights flickered; keep E02 with this ventilation hood rating plate. Stop if you smell burning from the blower or see sparks at the control. If you see smoke, sparks, or a burning smell, stop.

Please avoid

What not to attempt

Do not order a part from E02 without an on-site confirmation. In a island, a clogged filter you can see from the canopy was in play while the fan was on high; keep E02 with this ventilation hood rating plate

Do not scrape, paint over, or discard the rating plate. In a studio, a rattling baffle was in play while the fan was on high; keep E02 with this ventilation hood rating plate

Do not force a locked door or a jammed control while the ventilation hood is hot. In a show kitchen, a remote-blower switch was in play during a smoky sear; keep E02 with this ventilation hood rating plate

Do not open internal panels or touch high-voltage terminals. In a terrace, a remote-blower switch was in play after the lights flickered; keep E02 with this ventilation hood rating plate

Get help

When to call a technician

Book a diagnosis

Share E02, the ventilation hood type, what it was doing, and your ZIP. Repair, if needed, follows inspection and an estimate. In a basement kitchenette, a remote-blower switch was in play while the fan was on high; keep E02 with this ventilation hood rating plate.

FAQ

Frequently asked questions

References

Sources & references

Use the documentation supplied with this La Cornue ventilation hood. In a island, a clogged filter you can see from the canopy was in play after the lights flickered; keep E02 with this ventilation hood 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

Book a repair

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

Share a few details and we’ll confirm an appointment. Prefer to talk? Call us and we’ll help right away.

Phone (310) 570-2050

Email Lacornuelosangeles@gmail.com

Hours Mon–Sat: 8:00 AM – 7:00 PM

Service area Serving Los Angeles County and Orange County.

Response time Appointment timing depends on location, route capacity, appliance type, and parts needs.

La Cornue Ventilation E02

Error code overview

What this code means

Symptoms you may notice

Note fan speed, lights, and whether the hood was capturing cooking vapor. In a farmhouse, a night-light was in play after the lights flickered; keep E02 with this ventilation hood rating plate while E02 is on the ventilation hood

Write whether the make-up air or remote blower, if you have one, was running. In a galley, a night-light was in play while the fan was on high; keep E02 with this ventilation hood rating plate while E02 is on the ventilation hood

Note fan speed, lights, and whether the hood was capturing cooking vapor. In a basement kitchenette, a clogged filter you can see from the canopy was in play during a smoky sear; keep E02 with this ventilation hood rating plate while E02 is on the ventilation hood

Possible causes

Write E02 exactly as the ventilation hood showed it, including extra icons. In a mudroom kitchen, a remote-blower switch was in play during a smoky sear; keep E02 with this ventilation hood rating plate

Add the rating-plate model from this ventilation hood. In a rental suite, a remote-blower switch was in play after the lights flickered; keep E02 with this ventilation hood rating plate

Say if the control is on the canopy, a wall switch, or the range. In a breakfast bar, a night-light was in play while the fan was on high; keep E02 with this ventilation hood rating plate

In a butler pantry, a night-light was in play during a smoky sear; keep E02 with this ventilation hood rating plate

Keep a photo of the control with your notes. In a farmhouse, a clogged filter you can see from the canopy was in play after the lights flickered; keep E02 with this ventilation hood rating plate

Safe checks you can make

Restart only if your documentation describes a user reset. In a outdoor kitchen, a remote-blower switch was in play during a smoky sear; keep E02 with this ventilation hood rating plate

Turn the fan and lights off from the normal user control. In a chef line, a night-light was in play after the lights flickered; keep E02 with this ventilation hood rating plate

Do not climb into the canopy or remove a blower from a ladder. In a island, a night-light was in play while the fan was on high; keep E02 with this ventilation hood rating plate

Photograph the message if the hood has a display. In a studio, a clogged filter you can see from the canopy was in play during a smoky sear; keep E02 with this ventilation hood rating plate

Important safety warning

Important safety warning.

What not to attempt

Do not order a part from E02 without an on-site confirmation. In a island, a clogged filter you can see from the canopy was in play while the fan was on high; keep E02 with this ventilation hood rating plate

Do not scrape, paint over, or discard the rating plate. In a studio, a rattling baffle was in play while the fan was on high; keep E02 with this ventilation hood rating plate

Do not force a locked door or a jammed control while the ventilation hood is hot. In a show kitchen, a remote-blower switch was in play during a smoky sear; keep E02 with this ventilation hood rating plate

Do not open internal panels or touch high-voltage terminals. In a terrace, a remote-blower switch was in play after the lights flickered; keep E02 with this ventilation hood 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 Ventilation E02

Note fan speed, lights, and whether the hood was capturing cooking vapor. In a farmhouse, a night-light was in play after the lights flickered; keep E02 with this ventilation hood rating plate while E02 is on the ventilation hood

Write whether the make-up air or remote blower, if you have one, was running. In a galley, a night-light was in play while the fan was on high; keep E02 with this ventilation hood rating plate while E02 is on the ventilation hood

Note fan speed, lights, and whether the hood was capturing cooking vapor. In a basement kitchenette, a clogged filter you can see from the canopy was in play during a smoky sear; keep E02 with this ventilation hood rating plate while E02 is on the ventilation hood

Write E02 exactly as the ventilation hood showed it, including extra icons. In a mudroom kitchen, a remote-blower switch was in play during a smoky sear; keep E02 with this ventilation hood rating plate

Add the rating-plate model from this ventilation hood. In a rental suite, a remote-blower switch was in play after the lights flickered; keep E02 with this ventilation hood rating plate

Say if the control is on the canopy, a wall switch, or the range. In a breakfast bar, a night-light was in play while the fan was on high; keep E02 with this ventilation hood rating plate

In a butler pantry, a night-light was in play during a smoky sear; keep E02 with this ventilation hood rating plate

Keep a photo of the control with your notes. In a farmhouse, a clogged filter you can see from the canopy was in play after the lights flickered; keep E02 with this ventilation hood rating plate

Restart only if your documentation describes a user reset. In a outdoor kitchen, a remote-blower switch was in play during a smoky sear; keep E02 with this ventilation hood rating plate

Turn the fan and lights off from the normal user control. In a chef line, a night-light was in play after the lights flickered; keep E02 with this ventilation hood rating plate

Do not climb into the canopy or remove a blower from a ladder. In a island, a night-light was in play while the fan was on high; keep E02 with this ventilation hood rating plate

Photograph the message if the hood has a display. In a studio, a clogged filter you can see from the canopy was in play during a smoky sear; keep E02 with this ventilation hood rating plate

Important safety warning.

Do not order a part from E02 without an on-site confirmation. In a island, a clogged filter you can see from the canopy was in play while the fan was on high; keep E02 with this ventilation hood rating plate

Do not scrape, paint over, or discard the rating plate. In a studio, a rattling baffle was in play while the fan was on high; keep E02 with this ventilation hood rating plate

Do not force a locked door or a jammed control while the ventilation hood is hot. In a show kitchen, a remote-blower switch was in play during a smoky sear; keep E02 with this ventilation hood rating plate

Do not open internal panels or touch high-voltage terminals. In a terrace, a remote-blower switch was in play after the lights flickered; keep E02 with this ventilation hood rating plate

Book a diagnosis

Seeing this code on your La Cornue appliance?

Ventilation Repair

01 Will this page tell a technician which board to replace for E02?

02 Should I keep running this ventilation hood while E02 is on the control?

Ready to restore your La Cornue appliance?

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