19. Faults
Malfunctioning
Cause Solution
Wood too moist Check; max. residual moisture 20%
Wrong fuel Use only the fuel allowed for the appliance
Chimney draught too weak:
(Minimal pressure: 10Pa at the heating
gas connector pipe)
Check the air-tightness of the outlet
Light a kindling fire in the chimney
Close any open doors of other appliances
connected to the chimney.
Close the cleaning hatches of the chimney
If necessary, clean the connector pipe
The fire is not burning well
Not enough combustion air Connect the combustion air pipe directly to
the appliance, and convey combustion air
to the circulation grate or directly to the
outside
Check the diameter of the circulation
Check the ventilation installation of the
residence or cooker hood, and open a
window if necessary
Wood too moist Check; max. residual moisture 20%
Wrong fuel Fuel not small enough – max.
circumference is 50 cm
Use only the fuel allowed for the appliance
Glass soon gets dirty
Too much wood has been added Do not add more than 2 to 3 pieces of wood