8
Troubleshooting
Table 3: Troubleshooting
Problem
Possible cause
Possible solution
Chimney fire (recognized by a
roaring sound in the chimney)
Ignition of soot and tar de-
posits in the chimney.
• Set the control lever in the far
left position.
• Call the emergency services.
(112)
• Put out the fire in the appliance
with sand.
Warning:
Never use water
to put out the fire.
• Ventilate the house.
After the chimney has been extin-
guished, sweep the chimney and
inspect for damage.
Sweep the chimney minimum
once a year by a certified chimney
sweep.
The wood logs do not ignite
The moisture content of the
wood logs is too high
• Use dried wood logs with a
moisture content of 10 - 20 %.
• Use wood briquettes
The combustion chamber is
not warm enough
• Do the recommended ignition
procedure. Refer to chapter
• Use the recommended amount
.
The wood logs burn too fast
Primary air inlet is open.
Close the primary air supply. Ad-
just the amount of secondary air
and air wash with the control lever.
Refer to chapter
The chimney draught is too
high
• Reduce the amount of secon-
dary air and airwash with the
control lever. Refer to chapter
• Contact your installer.
.
The temperature of the room
does not rise sufficient
The fuel amount is too low
Use the recommended amount of
The chimney draught is too
high
Contact your installer.
Excessive smoke escapes
when the door of the combus-
tion chamber is open
The chimney draught is too
low
• Do the recommended ignition
procedure. Refer to chapter
• Remove the break out strip
from the upper baffle. Refer to
.
• Contact your installer.
Troubleshooting
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Unilux-7 70