Independent technical referenceOfficial site
  • HVAC
  • Pellet stoves

A11

Edilkamin A11 pellet stove: safety pressure switch alarm

Verified with sources2 sourcesReviewed Oct 18, 2026
Technician coming? See the 2 steps they must show you
Freestanding pellet stove with glass door and a lit flame
Scheggia.agm (original uploader, Italian Wikipedia)Public domainImage source

Risk level

High

Professional inspection is recommended.

Urgency

High

Quick answer

The Edilkamin Cherie pellet stove stopped with code A11, which the manual describes as the safety pressure switch tripping. Check that the door closes properly, do not force the stove back on and call the service technician.

Safety first

Stop and check this first

  • A11 is a safety shutdown: do not bridge or disable the pressure switch and do not relight the stove until the technician has examined what caused it.
  • The manual warns that ash may contain hot parts or embers and that running the stove without cleaning the burning pot can ignite gases suddenly and break the glass.

Safe checks you can perform

  • Note down code A11 and leave the stove switched off
  • Check by eye that the door closes properly
  • Carry out the daily product cleaning described in the manual

Leave these tasks to a qualified professional

  • Do not attempt this professional task: Inspection of the safety pressure switch and the smoke discharge
  • Do not attempt this professional task: Seasonal maintenance of the smoke duct by the service centre

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. Inspection of the safety pressure switch and the smoke discharge

    What they doAn authorised Edilkamin technician finds out why the safety pressure switch tripped, inspects the cleanliness of the smoke discharge and the door closure, and does not bridge or disable the device.

    They must show youthe condition of the smoke discharge before and after the inspection and the door closure check.

    In writingthe cause found for the pressure switch trip and confirmation that the safety device was left unmodified.

  2. Seasonal maintenance of the smoke duct by the service centre

    What they doThe service centre performs the seasonal maintenance with internal and external cleaning and checks the flue system, without using compressed air on the combustion air inlet pipe.

    They must show youwhich parts of the flue system were cleaned and how the air inlet pipe was cleaned.

    In writingthe date of the seasonal maintenance and the operations performed on the smoke duct.

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. Note down code A11 and leave the stove switched off

    No special tools

    Who:
    you, reading the display on the product or on the remote control.
    How:
    write down that the display shows A11, that the stove has already stopped itself for the reason the manual gives, and do not keep restarting it just to see whether the message disappears.
    Result that matters:
    record the exact alert and avoid retries while a safety alarm is active.
    If the display shows A11:
    go on to the door check.
    If another alarm code is on screen:
    find its own row in the manual and set this entry aside.
    Evidence to keep:
    photo of the display with the A11 code visible.

    Evidence: Pellet stoves CHERIE 9+ EVO - CHERIE 11++ EVO Use and maintenance manual (code 942786)

  2. Check by eye that the door closes properly

    No special tools

    Who:
    you, with the stove off and cold, without forcing hinges or opening sealed parts.
    How:
    look that the firebox door and the loading hatches seat and shut fully, as the manual asks when it speaks about correct closing on airtight products.
    Result that matters:
    rule out a badly closed door as the reason the pressure switch tripped.
    If a door was not fully shut:
    close it properly and tell the technician if A11 returns.
    If every door closes well and the code persists:
    do not use the stove and call the service technician.
    Evidence to keep:
    photo of the closed door and the visible seal around it.

    Evidence: Pellet stoves CHERIE 9+ EVO - CHERIE 11++ EVO Use and maintenance manual (code 942786)

  3. Carry out the daily product cleaning described in the manual

    No special tools

    Who:
    you, with the stove switched off, cold and preferably unplugged from the mains.
    How:
    vacuum the residues as the daily maintenance section explains, without dumping debris into the pellet hopper and leaving the crucible seated correctly in its housing; leave cleaning of the smoke duct to the technician.
    Result that matters:
    rule out dirt in the product, which is the first thing the manual table asks you to check.
    If there was dirt and you removed it while the stove was cold:
    tell the technician if the alert comes back at start-up.
    If the product was clean and A11 persists:
    contact the Edilkamin service technician without repeating start-ups.
    Evidence to keep:
    photo of the crucible and firebox cleaned and correctly seated.

    Evidence: Pellet stoves CHERIE 9+ EVO - CHERIE 11++ EVO Use and maintenance manual (code 942786)

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
HVAC
Brand
Edilkamin
Product type
Pellet stoves

Known code variants

  • A11
  • Apagado por intervención del presostato de seguridad
  • Edilkamin Cherie A11
  • Indicación de puerta abierta en productos estancos
  • Open door indication on airtight products
  • Presostato de seguridad
  • Safety pressure switch
  • Switch-off due to tripping of the safety pressure switch

What it means

According to the Edilkamin use and maintenance manual for the CHERIE 9+ EVO and CHERIE 11++ EVO pellet stoves (section 17.1), A11 means switch-off due to tripping of the safety pressure switch; on airtight products it is also the open door indication. Other models may differ, and the code alone does not show that the pressure switch or any other part is faulty.

Warnings and stop conditions

  • Highsource verified

    A11 is a safety shutdown: do not bridge or disable the pressure switch and do not relight the stove until the technician has examined what caused it.

    Evidence: Pellet stoves CHERIE 9+ EVO - CHERIE 11++ EVO Use and maintenance manual (code 942786)

  • Mediumsource verified

    The manual warns that ash may contain hot parts or embers and that running the stove without cleaning the burning pot can ignite gases suddenly and break the glass.

    Evidence: Pellet stoves CHERIE 9+ EVO - CHERIE 11++ EVO Use and maintenance manual (code 942786)

Symptoms and causes

Probable causes · in order

  • Firebox door not properly closed on an airtight productCommon

    On airtight products the manual links A11 to the open door indication and asks you to check that the door is closed correctly, so an incomplete closure is the first cause to rule out.

    Evidence: Pellet stoves CHERIE 9+ EVO - CHERIE 11++ EVO Use and maintenance manual (code 942786)

  • Dirt in the product or in the smoke dischargePossible

    The first action in the table is to check the cleanliness of the product and of the discharge; the smoke side belongs to the technician, while daily cleaning of the product is what the manual describes for the user.

    Evidence: Pellet stoves CHERIE 9+ EVO - CHERIE 11++ EVO Use and maintenance manual (code 942786)

  • Fault or installation condition that only the technician can tracePossible

    If the door closes well and the product is clean, the table ends by sending you to the technician, which suggests the real cause may lie in the smoke installation or in the safety system itself.

    Evidence: Pellet stoves CHERIE 9+ EVO - CHERIE 11++ EVO Use and maintenance manual (code 942786)

Virtual technician

Does A11 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

Sources: Estufas de pellets CHERIE 9+ EVO - CHERIE 11++ EVO Manual de uso y mantenimiento (cod. 942786) · Pellet stoves CHERIE 9+ EVO - CHERIE 11++ EVO Use and maintenance manual (code 942786)reviewed 2026-10-18 · verified

Was this entry useful?