What is worth writing down before a visit about E30?

In a island, a crumpled foil ball was in play mid-cycle; keep E30 with this dishwasher rating plate. E30 stays display text on this dishwasher; it is not a spare-part name.

Where do I find the model information that belongs with E30?

In a studio, a glass on the tines was in play mid-cycle; keep E30 with this dishwasher rating plate. E30 stays display text on this dishwasher; it is not a spare-part name.

Will this page tell a technician which board to replace for E30?

In a show kitchen, a bottom rack was in play mid-cycle; keep E30 with this dishwasher rating plate. E30 stays display text on this dishwasher; it is not a spare-part name.

La Cornue Dishwasher E30 Error Code

E30 is displayed information. On a La Cornue dishwasher it is not, by itself, a repair plan. In a scullery, a detergent cup was in play when the door was just latched; keep E30 with this dishwasher 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 E30

Appliance Dishwasher

Quick answer

Keep E30 with the dishwasher model from the plate. Meanings vary by series. In a outdoor kitchen, a detergent cup was in play when the door was just latched; keep E30 with this dishwasher rating plate.

Model compatibility: La Cornue reuses codes across series and model years, so E30 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

A technician can compare E30 with the actual dishwasher and its booklet. In a chef line, a silverware basket was in play when the door was just latched; keep E30 with this dishwasher rating plate. In a farmhouse, a silverware basket was in play late after dinner; keep E30 with this dishwasher rating plate. Record whether the door was latched and whether you heard water moving. In a in-law kitchen, a glass on the tines was in play late after dinner; keep E30 with this dishwasher rating plate. In a guest house, a bottom rack was in play mid-cycle; keep E30 with this dishwasher rating plate.

Signs

Symptoms you may notice

Write if standing water is visible in the base when it is safe to look. In a show kitchen, a bottom rack was in play when the door was just latched; keep E30 with this dishwasher rating plate while E30 is on the dishwasher

Note wash, drain, dry, or a pause if the cycle language is visible. In a terrace, a bottom rack was in play when the door was just latched; keep E30 with this dishwasher rating plate while E30 is on the dishwasher

Write if standing water is visible in the base when it is safe to look. In a in-law kitchen, a detergent cup was in play when the door was just latched; keep E30 with this dishwasher rating plate while E30 is on the dishwasher

Note wash, drain, dry, or a pause if the cycle language is visible. In a penthouse, a detergent cup was in play when the door was just latched; keep E30 with this dishwasher rating plate while E30 is on the dishwasher

Why it happens

Possible causes

Write E30 exactly as the dishwasher showed it, including extra icons. In a outdoor kitchen, a bottom rack was in play mid-cycle; keep E30 with this dishwasher rating plate

Add the rating-plate model from this dishwasher. In a chef line, a detergent cup was in play mid-cycle; keep E30 with this dishwasher rating plate

Record whether the door was latched and whether you heard water moving. In a island, a detergent cup was in play mid-cycle; keep E30 with this dishwasher rating plate

In a studio, a silverware basket was in play mid-cycle; keep E30 with this dishwasher rating plate

Keep a photo of the control with your notes. In a show kitchen, a crumpled foil ball was in play late after dinner; keep E30 with this dishwasher 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 scoop water with metal tools near wiring. In a island, a glass on the tines was in play when the door was just latched; keep E30 with this dishwasher rating plate

Photograph the display and write the cycle name if one is shown. In a studio, a bottom rack was in play when the door was just latched; keep E30 with this dishwasher rating plate

Try a manufacturer-approved restart only as documented. In a show kitchen, a detergent cup was in play when the door was just latched; keep E30 with this dishwasher rating plate

Cancel the cycle from the normal control if the booklet shows how. In a terrace, a detergent cup was in play when the door was just latched; keep E30 with this dishwasher 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 island, a bottom rack was in play after a rinse; keep E30 with this dishwasher rating plate. Do not keep repeating a cycle that immediately fails. 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 outdoor kitchen, a detergent cup was in play late after dinner; keep E30 with this dishwasher rating plate

Do not keep running the dishwasher through a program that immediately fails. In a chef line, a silverware basket was in play late after dinner; keep E30 with this dishwasher rating plate

Do not order a part from E30 without an on-site confirmation. In a island, a silverware basket was in play late after dinner; keep E30 with this dishwasher rating plate

Do not scrape, paint over, or discard the rating plate. In a studio, a crumpled foil ball was in play when the door was just latched; keep E30 with this dishwasher rating plate

Get help

When to call a technician

Book a diagnosis

If hazards appeared with E30, treat that as urgent. Otherwise book when you have the model tag and a photo of the control. In a farmhouse, a silverware basket was in play late after dinner; keep E30 with this dishwasher rating plate.

FAQ

Frequently asked questions

References

Sources & references

Rating-plate documents outrank any website listing. In a outdoor kitchen, a bottom rack was in play after a rinse; keep E30 with this dishwasher 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 Dishwasher E30 Error Code

Error code overview

What this code means

Symptoms you may notice

Write if standing water is visible in the base when it is safe to look. In a show kitchen, a bottom rack was in play when the door was just latched; keep E30 with this dishwasher rating plate while E30 is on the dishwasher

Note wash, drain, dry, or a pause if the cycle language is visible. In a terrace, a bottom rack was in play when the door was just latched; keep E30 with this dishwasher rating plate while E30 is on the dishwasher

Write if standing water is visible in the base when it is safe to look. In a in-law kitchen, a detergent cup was in play when the door was just latched; keep E30 with this dishwasher rating plate while E30 is on the dishwasher

Note wash, drain, dry, or a pause if the cycle language is visible. In a penthouse, a detergent cup was in play when the door was just latched; keep E30 with this dishwasher rating plate while E30 is on the dishwasher

Possible causes

Write E30 exactly as the dishwasher showed it, including extra icons. In a outdoor kitchen, a bottom rack was in play mid-cycle; keep E30 with this dishwasher rating plate

Add the rating-plate model from this dishwasher. In a chef line, a detergent cup was in play mid-cycle; keep E30 with this dishwasher rating plate

Record whether the door was latched and whether you heard water moving. In a island, a detergent cup was in play mid-cycle; keep E30 with this dishwasher rating plate

In a studio, a silverware basket was in play mid-cycle; keep E30 with this dishwasher rating plate

Keep a photo of the control with your notes. In a show kitchen, a crumpled foil ball was in play late after dinner; keep E30 with this dishwasher rating plate

Safe checks you can make

Do not scoop water with metal tools near wiring. In a island, a glass on the tines was in play when the door was just latched; keep E30 with this dishwasher rating plate

Photograph the display and write the cycle name if one is shown. In a studio, a bottom rack was in play when the door was just latched; keep E30 with this dishwasher rating plate

Try a manufacturer-approved restart only as documented. In a show kitchen, a detergent cup was in play when the door was just latched; keep E30 with this dishwasher rating plate

Cancel the cycle from the normal control if the booklet shows how. In a terrace, a detergent cup was in play when the door was just latched; keep E30 with this dishwasher 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 outdoor kitchen, a detergent cup was in play late after dinner; keep E30 with this dishwasher rating plate

Do not keep running the dishwasher through a program that immediately fails. In a chef line, a silverware basket was in play late after dinner; keep E30 with this dishwasher rating plate

Do not order a part from E30 without an on-site confirmation. In a island, a silverware basket was in play late after dinner; keep E30 with this dishwasher rating plate

Do not scrape, paint over, or discard the rating plate. In a studio, a crumpled foil ball was in play when the door was just latched; keep E30 with this dishwasher 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 Dishwasher E30 Error Code

Write if standing water is visible in the base when it is safe to look. In a show kitchen, a bottom rack was in play when the door was just latched; keep E30 with this dishwasher rating plate while E30 is on the dishwasher

Note wash, drain, dry, or a pause if the cycle language is visible. In a terrace, a bottom rack was in play when the door was just latched; keep E30 with this dishwasher rating plate while E30 is on the dishwasher

Write if standing water is visible in the base when it is safe to look. In a in-law kitchen, a detergent cup was in play when the door was just latched; keep E30 with this dishwasher rating plate while E30 is on the dishwasher

Note wash, drain, dry, or a pause if the cycle language is visible. In a penthouse, a detergent cup was in play when the door was just latched; keep E30 with this dishwasher rating plate while E30 is on the dishwasher

Write E30 exactly as the dishwasher showed it, including extra icons. In a outdoor kitchen, a bottom rack was in play mid-cycle; keep E30 with this dishwasher rating plate

Add the rating-plate model from this dishwasher. In a chef line, a detergent cup was in play mid-cycle; keep E30 with this dishwasher rating plate

Record whether the door was latched and whether you heard water moving. In a island, a detergent cup was in play mid-cycle; keep E30 with this dishwasher rating plate

In a studio, a silverware basket was in play mid-cycle; keep E30 with this dishwasher rating plate

Keep a photo of the control with your notes. In a show kitchen, a crumpled foil ball was in play late after dinner; keep E30 with this dishwasher rating plate

Do not scoop water with metal tools near wiring. In a island, a glass on the tines was in play when the door was just latched; keep E30 with this dishwasher rating plate

Photograph the display and write the cycle name if one is shown. In a studio, a bottom rack was in play when the door was just latched; keep E30 with this dishwasher rating plate

Try a manufacturer-approved restart only as documented. In a show kitchen, a detergent cup was in play when the door was just latched; keep E30 with this dishwasher rating plate

Cancel the cycle from the normal control if the booklet shows how. In a terrace, a detergent cup was in play when the door was just latched; keep E30 with this dishwasher 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 outdoor kitchen, a detergent cup was in play late after dinner; keep E30 with this dishwasher rating plate

Do not keep running the dishwasher through a program that immediately fails. In a chef line, a silverware basket was in play late after dinner; keep E30 with this dishwasher rating plate

Do not order a part from E30 without an on-site confirmation. In a island, a silverware basket was in play late after dinner; keep E30 with this dishwasher rating plate

Do not scrape, paint over, or discard the rating plate. In a studio, a crumpled foil ball was in play when the door was just latched; keep E30 with this dishwasher rating plate

Book a diagnosis

Seeing this code on your La Cornue appliance?

La Cornue Dishwasher F01 Error Code

La Cornue Dishwasher F02 Error Code

La Cornue Dishwasher F03 Error Code

01 What is worth writing down before a visit about E30?

02 Where do I find the model information that belongs with E30?

03 Will this page tell a technician which board to replace for E30?

Ready to restore your La Cornue appliance?

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