What is worth writing down before a visit about E02?

In a farmhouse, a drip tray was in play before the first cup; keep E02 with this coffee machine rating plate. E02 stays display text on this coffee machine; it is not a spare-part name.

Where do I find the model information that belongs with E02?

In a galley, a drip tray was in play before the first cup; keep E02 with this coffee machine rating plate. E02 stays display text on this coffee machine; it is not a spare-part name.

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

In a basement kitchenette, a water tank was in play before the first cup; keep E02 with this coffee machine rating plate. E02 stays display text on this coffee machine; it is not a spare-part name.

La Cornue Coffee Machine E02 Error Code

Treat E02 as characters on a La Cornue coffee machine control. The same letters can be reused on later series. In a rental suite, a descaling bottle still sealed was in play while steaming milk; keep E02 with this coffee machine 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 Coffee Machine

Quick answer

E02 — display text for a La Cornue coffee machine. Bring rating-plate details when you book. In a breakfast bar, a milk pitcher was in play while steaming milk; keep E02 with this coffee machine 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

This listing exists so E02 on a coffee machine is documented, not decoded into a myth. In a butler pantry, a milk pitcher was in play while steaming milk; keep E02 with this coffee machine rating plate. Record whether the tank, tray, or door was recently moved. In a island, a milk pitcher was in play after a rinse prompt; keep E02 with this coffee machine rating plate. In a courtyard, a drip tray was in play before the first cup; keep E02 with this coffee machine rating plate. In a mudroom kitchen, a descaling bottle still sealed was in play before the first cup; keep E02 with this coffee machine rating plate.

Signs

Symptoms you may notice

Write if flow, steam, or heat had already started. In a basement kitchenette, a water tank was in play during a brew; keep E02 with this coffee machine rating plate while E02 is on the coffee machine

Note brew, steam, rinse, or standby if those words were on the control. In a tasting kitchen, a descaling bottle still sealed was in play before the first cup; keep E02 with this coffee machine rating plate while E02 is on the coffee machine

Write if flow, steam, or heat had already started. In a courtyard, a descaling bottle still sealed was in play before the first cup; keep E02 with this coffee machine rating plate while E02 is on the coffee machine

Note brew, steam, rinse, or standby if those words were on the control. In a rooftop kitchen, a milk pitcher was in play before the first cup; keep E02 with this coffee machine rating plate while E02 is on the coffee machine

Why it happens

Possible causes

Write E02 exactly as the coffee machine showed it, including extra icons. In a breakfast bar, a descaling bottle still sealed was in play while steaming milk; keep E02 with this coffee machine rating plate

Add the rating-plate model from this coffee machine. In a butler pantry, a descaling bottle still sealed was in play while steaming milk; keep E02 with this coffee machine rating plate

Record whether the tank, tray, or door was recently moved. In a farmhouse, a milk pitcher was in play while steaming milk; keep E02 with this coffee machine rating plate

In a galley, a milk pitcher was in play while steaming milk; keep E02 with this coffee machine rating plate

Keep a photo of the control with your notes. In a basement kitchenette, a portafilter was in play while steaming milk; keep E02 with this coffee machine 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.

Do not open a boiler or unclip internal hoses. In a farmhouse, a water tank was in play before the first cup; keep E02 with this coffee machine rating plate

Photograph the exact characters. In a galley, a water tank was in play before the first cup; keep E02 with this coffee machine rating plate

Use a manufacturer-approved restart only if one is documented. In a basement kitchenette, a descaling bottle still sealed was in play after a rinse prompt; keep E02 with this coffee machine rating plate

Confirm the tank or tray is seated the way the booklet shows, without forcing it. In a tasting kitchen, a milk pitcher was in play after a rinse prompt; keep E02 with this coffee machine rating plate

Safety warning

Important safety warning

Important safety warning.

Do not open internal panels, cut into wiring, or bypass a safety device. In a farmhouse, a descaling bottle still sealed was in play while steaming milk; keep E02 with this coffee machine rating plate. Leave internal covers in place. 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 bypass door locks, safety switches, or interlocks. Do not keep running water-using programs if liquid is at the outlet. In a breakfast bar, a milk pitcher was in play during a brew; keep E02 with this coffee machine rating plate

Do not keep running the coffee machine through a program that immediately fails. In a butler pantry, a milk pitcher was in play during a brew; keep E02 with this coffee machine rating plate

Do not order a part from E02 without an on-site confirmation. In a farmhouse, a portafilter was in play during a brew; keep E02 with this coffee machine rating plate

Do not scrape, paint over, or discard the rating plate. In a galley, a portafilter was in play during a brew; keep E02 with this coffee machine rating plate

Get help

When to call a technician

Book a diagnosis

If hazards appeared with E02, treat that as urgent. Otherwise book when you have the model tag and a photo of the control. In a island, a milk pitcher was in play after a rinse prompt; keep E02 with this coffee machine rating plate.

FAQ

Frequently asked questions

References

Sources & references

Rating-plate documents outrank any website listing. In a breakfast bar, a descaling bottle still sealed was in play during a brew; keep E02 with this coffee machine 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 Coffee Machine E02 Error Code

Error code overview

What this code means

Symptoms you may notice

Write if flow, steam, or heat had already started. In a basement kitchenette, a water tank was in play during a brew; keep E02 with this coffee machine rating plate while E02 is on the coffee machine

Note brew, steam, rinse, or standby if those words were on the control. In a tasting kitchen, a descaling bottle still sealed was in play before the first cup; keep E02 with this coffee machine rating plate while E02 is on the coffee machine

Write if flow, steam, or heat had already started. In a courtyard, a descaling bottle still sealed was in play before the first cup; keep E02 with this coffee machine rating plate while E02 is on the coffee machine

Note brew, steam, rinse, or standby if those words were on the control. In a rooftop kitchen, a milk pitcher was in play before the first cup; keep E02 with this coffee machine rating plate while E02 is on the coffee machine

Possible causes

Write E02 exactly as the coffee machine showed it, including extra icons. In a breakfast bar, a descaling bottle still sealed was in play while steaming milk; keep E02 with this coffee machine rating plate

Add the rating-plate model from this coffee machine. In a butler pantry, a descaling bottle still sealed was in play while steaming milk; keep E02 with this coffee machine rating plate

Record whether the tank, tray, or door was recently moved. In a farmhouse, a milk pitcher was in play while steaming milk; keep E02 with this coffee machine rating plate

In a galley, a milk pitcher was in play while steaming milk; keep E02 with this coffee machine rating plate

Keep a photo of the control with your notes. In a basement kitchenette, a portafilter was in play while steaming milk; keep E02 with this coffee machine rating plate

Safe checks you can make

Do not open a boiler or unclip internal hoses. In a farmhouse, a water tank was in play before the first cup; keep E02 with this coffee machine rating plate

Photograph the exact characters. In a galley, a water tank was in play before the first cup; keep E02 with this coffee machine rating plate

Use a manufacturer-approved restart only if one is documented. In a basement kitchenette, a descaling bottle still sealed was in play after a rinse prompt; keep E02 with this coffee machine rating plate

Confirm the tank or tray is seated the way the booklet shows, without forcing it. In a tasting kitchen, a milk pitcher was in play after a rinse prompt; keep E02 with this coffee machine rating plate

Important safety warning

Important safety warning.

What not to attempt

Do not bypass door locks, safety switches, or interlocks. Do not keep running water-using programs if liquid is at the outlet. In a breakfast bar, a milk pitcher was in play during a brew; keep E02 with this coffee machine rating plate

Do not keep running the coffee machine through a program that immediately fails. In a butler pantry, a milk pitcher was in play during a brew; keep E02 with this coffee machine rating plate

Do not order a part from E02 without an on-site confirmation. In a farmhouse, a portafilter was in play during a brew; keep E02 with this coffee machine rating plate

Do not scrape, paint over, or discard the rating plate. In a galley, a portafilter was in play during a brew; keep E02 with this coffee machine 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 Coffee Machine E02 Error Code

Write if flow, steam, or heat had already started. In a basement kitchenette, a water tank was in play during a brew; keep E02 with this coffee machine rating plate while E02 is on the coffee machine

Note brew, steam, rinse, or standby if those words were on the control. In a tasting kitchen, a descaling bottle still sealed was in play before the first cup; keep E02 with this coffee machine rating plate while E02 is on the coffee machine

Write if flow, steam, or heat had already started. In a courtyard, a descaling bottle still sealed was in play before the first cup; keep E02 with this coffee machine rating plate while E02 is on the coffee machine

Note brew, steam, rinse, or standby if those words were on the control. In a rooftop kitchen, a milk pitcher was in play before the first cup; keep E02 with this coffee machine rating plate while E02 is on the coffee machine

Write E02 exactly as the coffee machine showed it, including extra icons. In a breakfast bar, a descaling bottle still sealed was in play while steaming milk; keep E02 with this coffee machine rating plate

Add the rating-plate model from this coffee machine. In a butler pantry, a descaling bottle still sealed was in play while steaming milk; keep E02 with this coffee machine rating plate

Record whether the tank, tray, or door was recently moved. In a farmhouse, a milk pitcher was in play while steaming milk; keep E02 with this coffee machine rating plate

In a galley, a milk pitcher was in play while steaming milk; keep E02 with this coffee machine rating plate

Keep a photo of the control with your notes. In a basement kitchenette, a portafilter was in play while steaming milk; keep E02 with this coffee machine rating plate

Do not open a boiler or unclip internal hoses. In a farmhouse, a water tank was in play before the first cup; keep E02 with this coffee machine rating plate

Photograph the exact characters. In a galley, a water tank was in play before the first cup; keep E02 with this coffee machine rating plate

Use a manufacturer-approved restart only if one is documented. In a basement kitchenette, a descaling bottle still sealed was in play after a rinse prompt; keep E02 with this coffee machine rating plate

Confirm the tank or tray is seated the way the booklet shows, without forcing it. In a tasting kitchen, a milk pitcher was in play after a rinse prompt; keep E02 with this coffee machine rating plate

Important safety warning.

Do not bypass door locks, safety switches, or interlocks. Do not keep running water-using programs if liquid is at the outlet. In a breakfast bar, a milk pitcher was in play during a brew; keep E02 with this coffee machine rating plate

Do not keep running the coffee machine through a program that immediately fails. In a butler pantry, a milk pitcher was in play during a brew; keep E02 with this coffee machine rating plate

Do not order a part from E02 without an on-site confirmation. In a farmhouse, a portafilter was in play during a brew; keep E02 with this coffee machine rating plate

Do not scrape, paint over, or discard the rating plate. In a galley, a portafilter was in play during a brew; keep E02 with this coffee machine rating plate

Book a diagnosis

Seeing this code on your La Cornue appliance?

La Cornue Coffee Machine E03 Error Code

La Cornue Coffee Machine E04 Error Code

La Cornue Coffee Machine E06 Error Code

01 What is worth writing down before a visit about E02?

02 Where do I find the model information that belongs with E02?

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

Ready to restore your La Cornue appliance?

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