- Appliances
- Dishwashers
I40
Electrolux i40 on a dishwasher: water level sensing fault
Risk level
Low
Usually safe to check without specialist tools.
Urgency
Medium
Quick answer
Electrolux says i40 (also i41, i43 or i44) points to the pressure sensor that controls the water level. Unplug the dishwasher for about 5 minutes, clean the filters and sump of foam and debris, then try a programme again.
Safety first
Stop and check this first
- The level sensor is inside the appliance next to mains wiring: do not open panels to look for it; your part ends at the filters and sump.
Safe checks you can perform
- Five minute reset
- Filters and sump free of foam
- Test programme
Leave these tasks to a qualified professional
- Do not attempt this professional task: Pressure sensor check
- Do not attempt this professional task: Full cycle after the repair
What a technician must be able to justify
A technician is coming
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.
Pressure sensor check
What they doWith the appliance disconnected, the technician inspects the pressure sensor, its tube and connection, and compares its reading with Electrolux specification.
They must show youthe reading against the specification or the blocked tube.
In writingwhat was checked, the result and any replaced part with its reference.
Full cycle after the repair
What they doThe technician lets a programme finish and checks it fills and drains without i40.
They must show youa full cycle with no code.
In writingthe test and the date.
Before accepting a part or repair
Nothing has been shown yet. Do not accept a part swap based on the code alone.
Checks and evidence, step by step
Follow the documented order. An error code identifies the affected system, but it does not prove by itself which part has failed.
- 1
Five minute reset
No special tools
Procedure
- Who:
- you.
- How:
- unplug the dishwasher or switch off its circuit at the fuse box and wait about 5 minutes before reconnecting.
- Result that matters:
- whether the code is gone when you switch on.
- If it is gone and the programme finishes:
- it was a one off; note the date in case it repeats.
- If it returns at once:
- move on to the filters and sump.
- Evidence to keep:
- a photo of the code before the reset.
Evidence: Dishwasher displays error code i40, i43 or i44 · Electrolux dishwasher displays an error code: causes and solutions
- 2
Filters and sump free of foam
No special tools
Procedure
- Who:
- you.
- How:
- with the appliance unplugged, take out and clean the filters and clear foam and debris from the sump.
- Result that matters:
- a clean sump with no foam.
- If there was foam or debris and it works afterwards:
- that was the cause; check your detergent dose.
- If it was clean:
- the likely cause is in the level system.
- Evidence to keep:
- a photo of the sump before cleaning.
Evidence: Dishwasher displays error code i40, i43 or i44
- 3
Test programme
No special tools
Procedure
- Who:
- you.
- How:
- plug in, choose a suitable programme and let it finish.
- Result that matters:
- whether the cycle runs normally.
- If it finishes with no code:
- that solves it.
- If i40 returns:
- book a repair and show the photos.
- Evidence to keep:
- the date and the point in the cycle where the code appeared.
Evidence: Dishwasher displays error code i40, i43 or i44
Where this code applies
A code is meaningful only inside the right product and version context.
Primary scope
- System
- Appliances
- Brand
- Electrolux
- Product type
- Dishwashers
Known code variants
- AEG dishwasher i40
- AEG dishwasher i43
- AEG dishwasher i44
- AEG Fehler i40
- AEG Geschirrspüler i40
- AEG Geschirrspüler i43
- AEG Geschirrspüler i44
- AEG i40 error
- AEG lavastoviglie i40
- AEG lavastoviglie i43
- AEG lavastoviglie i44
- AEG lavavajillas i40
- AEG lavavajillas i43
- AEG lavavajillas i44
- AEG lave-vaisselle i40
- AEG lave-vaisselle i43
- AEG lave-vaisselle i44
- code erreur AEG i40
- Electrolux dishwasher i40
- Electrolux i40
- error AEG i40
- error i40 lavavajillas Electrolux
- errore AEG i40
- I40
- i40 AEG dishwasher
- i40 AEG Geschirrspüler
- i40 AEG lavastoviglie
- i40 AEG lavavajillas
- i40 AEG lave-vaisselle
- i41
- i43
- i44
What it means
For Electrolux, i40 and its variants mean a possible fault in the pressure sensor and water level control: the appliance cannot measure how much water it holds. Before suspecting the sensor, Electrolux asks you to reset it unplugged for about 5 minutes (or at the fuse box) and clean the filters and sump, because foam and debris upset the reading. If the code returns with everything clean, the code alone does not separate sensor, pressure tube or control: a technician checks it.
Warnings and stop conditions
- Loweditorial warning
The level sensor is inside the appliance next to mains wiring: do not open panels to look for it; your part ends at the filters and sump.
Evidence: Dishwasher displays error code i40, i43 or i44
Symptoms and causes
Probable causes · in order
- Foam or debris in the sumpPossible
Electrolux asks you to check the sump for foam and dirt. If there was some and the programme runs without the code after cleaning, that was the cause.
Evidence: Dishwasher displays error code i40, i43 or i44
- Pressure sensor or level control faultCommon
This is what Electrolux gives as the cause of the code. It becomes the suspect when i40 returns with clean filters and sump after the reset.
Evidence: Dishwasher displays error code i40, i43 or i44
Virtual technician
Does I40 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
Dishwasher displays error code i40, i43 or i44
Electrolux · official_doc
- 2
Electrolux dishwasher displays an error code: causes and solutions
Electrolux · official_doc
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