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A02

MCZ A02 pellet stove: no flame, fire went out abnormally

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 MCZ pellet stove stopped with A02 NO FLAME: the manual describes it as the fire going out abnormally. Look at how many pellets are in the hopper and whether the brazier is seated and clean; if it comes back, call the technician.

Safety first

Stop and check this first

  • The MCZ manual forbids tampering with the safety devices: do not try to disable or get around any protection of the stove to keep it running with the alarm active.
  • The cleaning operations in the manual must be done with the stove completely cold and unplugged from the 230 V supply; do not clean the brazier or open parts while it is hot or connected.

Safe checks you can perform

  • See the red alert on the panel and read the NO FLAME text
  • See how many pellets remain and refill with the right pellet only
  • Check the brazier once the stove is cold and unpowered
  • Reset the alarm on the panel and call if it returns

Leave these tasks to a qualified professional

  • Do not attempt this professional task: Review of the draught, air inlet and smoke duct
  • Do not attempt this professional task: Periodic cleaning and servicing of the product 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. Review of the draught, air inlet and smoke duct

    What they doThe qualified technician inspects the combustion air inlet, the smoke duct and the chimney, which the manual links to abnormal operation, and corrects them according to the standards in force.

    They must show youthe condition of the air inlet and smoke duct and a check that the installation meets what the manual requires.

    In writingthe draught or installation anomalies found and the corrections made or recommended.

  2. Periodic cleaning and servicing of the product by the service centre

    What they doThe service centre carries out a complete cleaning and service of the product, brazier and air passage holes included, if the flame keeps dying despite the owner checks.

    They must show youthe brazier and its air holes cleaned and the areas of the product that were cleaned.

    In writingthe date of the cleaning, the operations carried out and which anomalies were found.

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. See the red alert on the panel and read the NO FLAME text

    No special tools

    Who:
    you, in front of the MCZ stove panel without touching the other controls.
    How:
    confirm that code A02 appears with the crown in red and the button flashing very fast, and remember that all other keys are disabled while the alarm is active.
    Result that matters:
    be sure it is A02 and not another alarm from the table.
    If the panel shows A02 NO FLAME:
    go on to the hopper check.
    If the panel shows another code:
    look that code up in the alarm table of the manual.
    Evidence to keep:
    photo of the panel with the red crown and the A02 code visible.

    Evidence: Installation, use and maintenance manual EGO AIRMATIC 8 XUP! M3 CORE - Part 2 Operation and cleaning (Code 8902515200)

  2. See how many pellets remain and refill with the right pellet only

    No special tools

    Who:
    you, with the stove stopped and without touching hot parts.
    How:
    open the hopper lid, check the pellet level and, if little is left, top it up with certified good quality pellets, the only fuel the manual recommends; do not pour pellets straight into the brazier.
    Result that matters:
    rule out that the stove stopped for lack of fuel in the hopper.
    If the hopper was nearly empty and you refilled it:
    inspect the brazier next, with the stove cold.
    If the hopper held enough pellets:
    move on to inspect the brazier.
    Evidence to keep:
    photo of the hopper showing the pellet level before refilling.

    Evidence: Installation, use and maintenance manual EGO AIRMATIC 8 XUP! M3 CORE - Part 2 Operation and cleaning (Code 8902515200)

  3. Check the brazier once the stove is cold and unpowered

    No special tools

    Who:
    you, only with the stove completely cold and disconnected from the 230 V socket.
    How:
    look that the brazier rests properly in its seat and shows no obvious unburnt pellet deposits; clean it with the supplied brush and put it back in position before reconnecting the stove.
    Result that matters:
    leave the brazier clean and seated, following the cleaning rules of the manual.
    If there were deposits or the brazier had shifted and you fixed it:
    reset the alarm from the panel just once.
    If the brazier was fine:
    do not keep trying and call an authorised service technician.
    Evidence to keep:
    photo of the clean brazier in its seat.

    Evidence: Installation, use and maintenance manual EGO AIRMATIC 8 XUP! M3 CORE - Part 2 Operation and cleaning (Code 8902515200)

  4. Reset the alarm on the panel and call if it returns

    No special tools

    Who:
    you, with the stove cold and the brazier already checked.
    How:
    press the panel button for at least 3 seconds to reset the alarm, as the manual states, and start the stove one time only; if A02 comes back, do not repeat further resets.
    Result that matters:
    learn whether a simple cause was resolved without chaining resets over an active alarm.
    If the stove starts and keeps a flame:
    watch the next few ignitions.
    If A02 shows up again:
    leave the stove stopped and contact a qualified MCZ technician.
    Evidence to keep:
    whether A02 reappears after the reset and how long it took to do so.

    Evidence: Installation, use and maintenance manual EGO AIRMATIC 8 XUP! M3 CORE - Part 2 Operation and cleaning (Code 8902515200)

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
MCZ
Product type
Pellet stoves

Known code variants

  • A02
  • Alarma de llama apagada
  • Apagado anómalo de la llama
  • Flame lost alarm
  • MCZ EGO A02
  • NO FLAME
  • SIN LLAMA
  • The fire goes out abnormally

What it means

In part 2 of the MCZ manual for the EGO AIRMATIC 8 XUP! M3 CORE stove (chapter 37, alarms), A02 NO FLAME says the flame went out abnormally while the stove was running. Other models may differ, and on its own this alert does not prove that any specific stove part is faulty.

Warnings and stop conditions

  • Highsource verified

    The MCZ manual forbids tampering with the safety devices: do not try to disable or get around any protection of the stove to keep it running with the alarm active.

    Evidence: Installation, use and maintenance manual EGO AIRMATIC 8 XUP! M3 CORE - Part 2 Operation and cleaning (Code 8902515200)

  • Mediumsource verified

    The cleaning operations in the manual must be done with the stove completely cold and unplugged from the 230 V supply; do not clean the brazier or open parts while it is hot or connected.

    Evidence: Installation, use and maintenance manual EGO AIRMATIC 8 XUP! M3 CORE - Part 2 Operation and cleaning (Code 8902515200)

Symptoms and causes

Probable causes · in order

  • Hopper empty or nearly emptyCommon

    The manual table for A02 begins with checking the pellet level in the hopper, since without enough fuel the flame dies and the stove goes into alarm.

    Evidence: Installation, use and maintenance manual EGO AIRMATIC 8 XUP! M3 CORE - Part 2 Operation and cleaning (Code 8902515200)

  • Brazier badly seated or with visible deposits of unburnt pelletsCommon

    The manual asks you to verify that the brazier rests correctly in its seat and has no visible deposits of unburnt pellets, two things that disturb combustion and the flame.

    Evidence: Installation, use and maintenance manual EGO AIRMATIC 8 XUP! M3 CORE - Part 2 Operation and cleaning (Code 8902515200)

  • Poor combustion air or a partly clogged chimneyPossible

    The safe use chapter lists a reduced air inlet and a partially clogged chimney among the causes of abnormal operation, and checking them is a job for a technician.

    Evidence: Installation, use and maintenance manual EGO AIRMATIC 8 XUP! M3 CORE - Part 2 Operation and cleaning (Code 8902515200)

Virtual technician

Does A02 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: Manual de instalacion, uso y mantenimiento EGO AIRMATIC 8 XUP! M3 CORE - Parte 2 Funcionamiento y limpieza (Cod. 8902516400) · Installation, use and maintenance manual EGO AIRMATIC 8 XUP! M3 CORE - Part 2 Operation and cleaning (Code 8902515200)reviewed 2026-10-18 · verified

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