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E1

LG E1 on a dishwasher: aquastop triggered by water in the base

Verified with sources2 sourcesReviewed Oct 4, 2026
Technician coming? See the 3 steps they must show you
Open dishwasher showing its racks
Yelderberry (talk)CC BY-SA 4.0Image source

Risk level

Medium

Proceed carefully and stop if the check is unclear.

Urgency

Medium

Quick answer

On LG dishwashers, E1 means a leak has triggered the float switch in the base, which LG Spain calls an aquastop error. Check the detergent, door gasket, spray arms and levelling, then unplug for 60 seconds before trying again.

Safety first

Stop and check this first

  • Drying the base pan means switching off the circuit breaker first, because there is water near electrical components. If you are unsure, leave it to the service team.
  • Do not put hand dishwashing liquid in the machine: LG says its suds make the water overflow and bring this code back.

Safe checks you can perform

  • Check the detergent type and amount
  • Clean the door gasket
  • Clean the spray arms
  • Check whether the dishwasher is level
  • Check drain, filters and hose, then restart

Leave these tasks to a qualified professional

  • Do not attempt this professional task: Drying the base pan and finding the leak
  • Do not attempt this professional task: Levelling or replacing gasket and arms
  • Do not attempt this professional task: Empty test cycle

What a technician must be able to justify

Technician visit

These are the steps they must carry out and show you. Tick them as they work: if steps are skipped, do not accept a part swap.

These are not instructions for opening or handling the equipment yourself. They are the checks that should support a technical conclusion.

  1. Drying the base pan and finding the leak

    What they doWith the circuit breaker off, the technician removes the kick plate, dries the water in the base pan that lifted the float and traces where it escaped.

    They must show youthe water that was in the base and the point it came from.

    In writingthe source of the leak, what was repaired and the cost.

  2. Levelling or replacing gasket and arms

    What they doIf the inspection confirms it, the technician adjusts the feet to level the appliance or replaces a damaged door gasket or spray arm.

    They must show youthe levelled appliance or the damaged part that was replaced.

    In writingthe adjustment made or the part replaced with its reference.

  3. Empty test cycle

    What they doAt the end, the technician resets the appliance and runs an empty cycle to confirm that E1 does not appear and the base stays dry.

    They must show youthe complete cycle without E1.

    In writingthe test cycle, whether E1 appeared and the day.

Before accepting a part or repair

Nothing has been shown yet. Do not accept a part swap based on the code alone.

Follow these steps

Note: Follow the documented order. An error code identifies the affected system, but it does not prove by itself which part has failed.

  1. Check the detergent type and amount

    No special tools

    Who:
    you.
    How:
    use a single pod per wash or, with liquid or powder detergent, do not go past the dispenser marks (LG gives the 15 line for lightly soiled loads or soft water and the 25 line for heavy soil or hard water). Never use hand dishwashing liquid.
    Result that matters:
    dishwasher detergent at the dose LG specifies.
    If you were overdosing or using washing up liquid:
    change that, as those suds are enough to trigger E1.
    If you already use one pod and E1 appears:
    LG says a technician should then examine it.
    Evidence to keep:
    photo of the detergent you use and of the dispenser.

    Evidence: LG USA dishwasher AE and E1 troubleshooting

  2. Clean the door gasket

    No special tools

    Who:
    you, with the dishwasher stopped.
    How:
    go round the rubber door gasket and the part of the tub where it seals and wipe away any food or grease with a cloth.
    Result that matters:
    a clean gasket with no cuts or tears that seats all the way round.
    If it was dirty:
    clean it and move on to the spray arms.
    If the gasket is torn or split:
    LG says it needs service.
    Evidence to keep:
    photo of the gasket before and after cleaning.

    Evidence: LG USA dishwasher AE and E1 troubleshooting

  3. Clean the spray arms

    No special tools

    Who:
    you.
    How:
    look for buildup or blocked holes in the spray arms; if you find any, remove them, clean them with a soft brush and warm soapy water and refit them.
    Result that matters:
    clean, undamaged spray arms that are refitted correctly.
    If they had stuck on dirt:
    that may be enough; continue with the levelling.
    If an arm is broken or bent:
    LG asks for service to replace it.
    Evidence to keep:
    photo of the spray arms and any damage.

    Evidence: LG USA dishwasher AE and E1 troubleshooting

  4. Check whether the dishwasher is level

    No special tools

    Who:
    you; adjusting the feet is a job for the installer or technician.
    How:
    open the door and place a level against the top, sides and bottom; LG also suggests removing the lower rack, pouring about a gallon of water into the bottom and seeing whether it pools to one side.
    Result that matters:
    knowing whether the appliance sits straight or leans.
    If the water runs to one side:
    it needs levelling; ask the installer or the service team to adjust it.
    If it is level:
    carry out the check and restart that LG Spain describes.
    Evidence to keep:
    photo of the level or of how the water sits in the bottom.

    Evidence: LG USA dishwasher AE and E1 troubleshooting

  5. Check drain, filters and hose, then restart

    No special tools

    Who:
    you.
    How:
    as LG Spain asks, look for water in the drain and check the filters and the water inlet hose; then unplug the dishwasher, wait 60 seconds and try again.
    Result that matters:
    ruling out a one off warning once everything above has been checked.
    If the wash runs without E1:
    run an empty cycle and watch the next ones.
    If E1 stays:
    keep the tap closed and request an LG repair.
    Evidence to keep:
    note of what you checked and when E1 returns.

    Evidence: Códigos de Error: lavavajillas

Still not solved

If the error persists, stop here. See what the technician must do and show you.

Where this code applies

A code is meaningful only inside the right product and version context.

Primary scope

System
Appliances
Brand
LG
Product type
Dishwashers

Known code variants

  • aire acondicionado Daikin E1
  • climatisation Daikin E1
  • climatizzatore Daikin E1
  • code erreur E1 Daikin
  • codice E1 Daikin
  • código E1 Daikin
  • Cointra E1
  • Daikin AC E1
  • Daikin E1
  • Daikin error E1
  • Daikin Fehler E1
  • Daikin Fehlercode E1
  • Daitsu E1
  • DDSX225 E1
  • De'Longhi dehumidifier E1 probe
  • De'Longhi E1
  • DeLonghi Tasciugo E1
  • deshumidificador De'Longhi E1 sonda
  • deshumidificador Meaco E1
  • DEXD216F E1
  • E01
  • E 1
  • Er1
  • error E1 Daikin
  • error E1 frigorífico Hotpoint
  • error E1 lavavajillas Fagor
  • error E1 lavavajillas LG
  • errore E1 Daikin
  • Fagor 3LVF-623.1 E1
  • Fagor dishwasher E1
  • Fagor dishwasher error E1
  • Fagor dishwasher not filling E1
  • Fagor lavavajillas E1
  • frigorífico combi Hotpoint E1 sensor
  • Gree E1
  • Haier E1
  • Hotpoint E1 error fridge freezer
  • Hotpoint E1 frigorífico
  • Hotpoint fridge freezer E1
  • Hotpoint fridge freezer E1 sensor fault
  • Klimaanlage Daikin E1
  • lavavajillas Fagor no coge agua E1
  • lavavajillas LG aquastop E1
  • lavavajillas LG fuga E1
  • lavavajillas LG no coge agua E1
  • LG dishwasher aquastop E1
  • LG dishwasher E1
  • LG dishwasher error E1
  • LG dishwasher float switch E1
  • LG dishwasher leak E1
  • LG lavavajillas E1
  • Meaco 12L E1
  • Meaco dehumidifier E1
  • Meaco E1
  • MeacoDry Arete E1
  • panne E1 Daikin
  • TND 100 E1
  • TND 150 E1
  • TND 50 E1
  • TND 80 E1
  • TND E1

What it means

LG USA explains that an AE or E1 code means a leak inside the dishwasher has activated the float switch, and the cause must be found and fixed before the dishwasher is used again. LG Spain calls E1 an aquastop error, a water supply fault, and asks you to check the drain, filters and inlet hose before unplugging for 60 seconds. The usual causes LG lists are oversudsing from too much detergent or from hand dishwashing liquid, a dirty door gasket, blocked spray arms and an appliance that is not level. E1 on its own does not prove that any part is broken.

Warnings and stop conditions

  • Highsource verified

    Drying the base pan means switching off the circuit breaker first, because there is water near electrical components. If you are unsure, leave it to the service team.

    Evidence: LG USA dishwasher AE and E1 troubleshooting

  • Mediumsource verified

    Do not put hand dishwashing liquid in the machine: LG says its suds make the water overflow and bring this code back.

    Evidence: LG USA dishwasher AE and E1 troubleshooting

Symptoms and causes

Probable causes · in order

  • Too many suds from the detergentCommon

    LG explains that using more than one pod, filling the dispenser beyond its marked levels or adding hand dishwashing liquid creates so many suds that water overflows.

    Evidence: LG USA dishwasher AE and E1 troubleshooting

  • Door gasket with residue or a tearPossible

    Food or grease on the gasket, or on the part of the tub where it seals, stops the door sealing and lets water escape into the base.

    Evidence: LG USA dishwasher AE and E1 troubleshooting

  • Blocked spray armsPossible

    LG includes spray arms with buildup or blockages among the checks for E1, as they can send water where it should not go.

    Evidence: LG USA dishwasher AE and E1 troubleshooting

  • Dishwasher not levelPossible

    If the appliance leans, water pools to one side of the tub; LG asks you to check the levelling as the first step for this code.

    Evidence: LG USA dishwasher AE and E1 troubleshooting

Virtual technician

Does E1 still appear after these checks?

Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.

Sources and technical references

  1. 1

    LG USA dishwasher AE and E1 troubleshooting

    LG Electronics · 2024 · official_doc

  2. 2

    Códigos de Error: lavavajillas

    LG Electronics · official_doc

Sources: LG USA dishwasher AE and E1 troubleshooting · Códigos de Error: lavavajillasreviewed 2026-10-04 · verified

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