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Too much air
Right amount of airToo little air
Test run
Start the stove and test all combustion levels
(Auto, 4, 3, 2, and 1). During this process, it
is important to check that there is sufficient
combustion airflow to the stove. The sign of a
successful ignition process is that the flames
are pale yellow after 15 minutes of operation –
the flames should also remain pale yellow if you
turn the heat down. However, when adjusting
to a lower level, there will be a ‘conversion pe-
riod’ given that the airflow is reduced and fewer
pellets are delivered to the stove. This process
will normally last for a few minutes, when the
flames may burn dark yellow or orange until
optimal combustion is re-established
(pale yellow flames).
Is the stove not burning cleanly?
If the stove settings are correct but the com-
bustion produces dark flames, several factors
may be having an influence. Fuel, pellet type
and chimney will be the most significant
factors, and the following section describes the
relevant solutions.
The stove’s basic settings are based on a pure,
pale pellet and a chimney with a draught of 4
pascals. If a different type of pellet is used (e.g.
a dark, heavier pellet) or if there is insufficient
draught in the chimney, it may be necessary to
increase the combustion airflow. You can make
the relevant adjustments via the display. Level
2 is the standard setting, level 1 provides 10%
less air, and level 3 provides 10% extra air.
If this is not sufficient to achieve the combustion
desired, an approved service technician/dealer
can increase the airflow even more using the
hidden parameters in the control programme.
However, this should only be necessary in ex-
ceptional cases. +-10% air should be sufficient.
If the stove receives too much air – possibly as
a result of a chimney with excessive draught – it
is likewise possible to reduce the airflow in the
combustion process.
Ignition failure
Burn pot fills with pellets
without being ignited.
Pellets jumps like ’popcorn’.
Black tarry soot on the glass
Soot causes black back stone.
Big chunks of slag in the burn
pot..
The back stone is clean and
without colouring from soot.
Burn pot is clean.
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