- Appliances
- Dehumidifiers
E2
Meaco E2 on a dehumidifier: humidity sensor fault
Risk level
Low
Usually safe to check without specialist tools.
Urgency
Low
Quick answer
On Meaco 12L and 20L Low Energy units, E2 means the humidity sensor is broken: the unit still dehumidifies but in continuous mode only. Contact Meaco. On the Arete One 10L and 12L, clean the filter and sensor first.
Safety first
Stop and check this first
- With E2 the unit does not stop by itself: empty the tank often and do not leave it running unattended in rooms that are already dry.
Safe checks you can perform
- Unit model
- Filter and sensor cleaning (Arete One)
- Operation while you wait (12L and 20L)
Leave these tasks to a qualified professional
- Do not attempt this professional task: Humidity sensor check
- Do not attempt this professional task: Stop-at-target test
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.
Humidity sensor check
What they doA Meaco approved technician compares the humidity sensor reading with a reference hygrometer and checks its connection to the board.
They must show youthe sensor reading against the reference hygrometer.
In writingthe part replaced, its reference and the reason.
Stop-at-target test
What they doAfter the repair, the technician sets a target humidity and checks the unit stops dehumidifying when it reaches it and E2 does not return.
They must show youthe unit stopping at the set humidity, without E2.
In writingthe test and the result.
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.
Unit model
- Who:
- you.
- How:
- check on the label whether it is a 12L or 20L Low Energy or an Arete One 10L or 12L.
- Result that matters:
- which Meaco instructions apply.
- If it is a 12L or 20L Low Energy:
- Meaco says to contact its service.
- If it is an Arete One 10L or 12L:
- do the cleaning first.
- Evidence to keep:
- photo of the label.
Evidence: Meaco 12L and 20L Low Energy Dehumidifier/Air Purifier Instruction Manual · MeacoDry Arete One 10L and 12L Dehumidifier and Air Purifier
Filter and sensor cleaning (Arete One)
- Who:
- you, with the unit unplugged.
- How:
- clean the dust filter and use a vacuum cleaner hose on the humidity sensor on the back.
- Result that matters:
- whether E2 stops flashing when you switch back on.
- If it clears:
- it was dirt on the sensor or filter.
- If it stays:
- contact Meaco.
- Evidence to keep:
- photo of the clean filter and of the display.
Evidence: MeacoDry Arete One 10L and 12L Dehumidifier and Air Purifier
Operation while you wait (12L and 20L)
- Who:
- you.
- How:
- watch whether the unit runs without stopping; Meaco says that with E2 it only works in continuous mode.
- Result that matters:
- knowing whether you can keep using it until the repair.
- If it runs continuously:
- you can use it while watching the tank does not fill.
- If it collects no water:
- switch it off and tell Meaco service.
- Evidence to keep:
- note of how much water it collects per day.
Evidence: Meaco 12L and 20L Low Energy Dehumidifier/Air Purifier Instruction Manual
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
- Meaco
- Product type
- Dehumidifiers
Known code variants
- Bosch E2 caldera
- Candy 2 flashes
- Candy 2 parpadeos
- Candy dishwasher 2 flashes
- Candy dishwasher E2
- Candy dishwasher error E2
- Candy dishwasher not filling with water
- Candy lavadora E2
- Candy lavavajillas E2
- Candy washer E2
- Candy washer not filling
- Candy washing machine error E2
- Cerapur E2
- CHECK WATER
- COMPROBAR AGUA
- De'Longhi dehumidifier E2 E3 sensor
- De'Longhi E2
- De'Longhi E3
- DeLonghi DD230P E2
- deshumidificador De'Longhi E2 E3 sensor
- deshumidificador Meaco E2 sensor de humedad
- E02
- E-2
- E2 Worcester
- E3
- error E2 frigorífico Indesit
- Error E2 Junkers
- error E2 lavadora Candy
- error E2 lavadora Samsung
- error E2 lavavajillas Candy
- error E2 lavavajillas Haier
- frigorífico combi Indesit E2 sensor
- Greenstar E2
- Haier dishwasher E2
- Haier dishwasher error E2
- Haier dishwasher not filling
- Haier E2
- Haier lavavajillas E2
- Indesit E2 error fridge freezer
- Indesit E2 frigorífico
- Indesit fridge freezer E2
- Indesit fridge freezer E2 sensor fault
- Junkers E2
- lavadora Candy no coge agua
- lavadora Samsung E2 agua en el tambor
- lavadora Samsung no desagua E2
- lavavajillas Candy 2 parpadeos
- lavavajillas Candy no coge agua
- lavavajillas Haier no coge agua
- Meaco dehumidifier E2 humidity sensor
- Meaco E2
- MeacoDry Arete E2
- NO WATER
- Samsung E2 desagüe
- Samsung E2 drain error
- Samsung E2 water left in drum
- Samsung lavadora E2
- Samsung washer error E2
- Samsung washer not draining E2
- Samsung washing machine E2
- Worcester boiler E2 fault
- Worcester Bosch E2
- Worcester E2
What it means
On the Meaco 12L and 20L Low Energy, Meaco says E2 means the humidity sensor is broken: the unit still dehumidifies but in continuous mode only, because it cannot measure humidity to stop at the target. Meaco asks you to contact its service. On the MeacoDry Arete One 10L and 12L, E2 flashes every 30 seconds and the manual asks you to clean the dust filter and vacuum the humidity sensor on the back. So, on that model, the code can come from dirt and does not prove the sensor is broken.
Warnings and stop conditions
- Loweditorial warning
With E2 the unit does not stop by itself: empty the tank often and do not leave it running unattended in rooms that are already dry.
Evidence: Meaco 12L and 20L Low Energy Dehumidifier/Air Purifier Instruction Manual
Symptoms and causes
Probable causes · in order
- Humidity sensor broken (12L and 20L)Common
Meaco gives this cause for these models; you notice it because the unit runs non-stop even when the room is already dry.
Evidence: Meaco 12L and 20L Low Energy Dehumidifier/Air Purifier Instruction Manual
- Dirty sensor or filter (Arete One 10L and 12L)Possible
On the Arete One, Meaco asks you to clean the filter and sensor first; if E2 clears, there was no fault.
Evidence: MeacoDry Arete One 10L and 12L Dehumidifier and Air Purifier
Virtual technician
Does E2 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
Meaco 12L and 20L Low Energy Dehumidifier/Air Purifier Instruction Manual
Meaco · 2022 · manual
- 2
MeacoDry Arete One 10L and 12L Dehumidifier and Air Purifier
Meaco · 2023 · manual
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