„Installation and operation manual for fireplace insert”
KFDECOENG1.1562012
29
6 Troubleshooting
PROBLEM
REASON
SOLUTION
I. Poor control of fire in
the furnace.
1. Excessive quantity of combustion
air.
1. Reduce the quantity of
combustion air using the adjustment
lever in the fireplace insert.
2. Open chimney damper.
2. Close the chimney damper.
3. Excessive quantity of inserted
fuel.
3. Do not put more fuel and reduce
the quantity of combustion air, close
the chimney damper.
4. Worn gaskets.
4. Fit new gaskets.
5. Excessive negative pressure in
the chimney.
5. Install a cap type chimney
attachment and/or install a draught
moderator.
II. Fire cannot be lit up
in the furnace
1. Closed levers of combustion air
inlet.
1. Increase the quantity of
combustion air.
2. Clogged openings of air blow-in
in the furnace.
2. Clean furnace interior from ash.
3. Insufficient negative pressure in
the chimney.
3. Check if the inspection door is
closed; clean the chimney and
connecting duct; recommended
installation of a mechanical
combustion gas exhaust.
4. Too humid wood.
4. Replace the wood with dry wood
(humidity under 20%)
5. Too large slivers used for lighting
up.
5. Use smaller slivers.
6. Bad weather conditions.
6. Check if burning improves once
the weather is better. In case of
recurring problems resulting from
weather conditions, installation of a
mechanical combustion gas
exhaust is recommended.
III. Smoke comes out
from the fireplace insert
1. The chimney and/or connecting
pipe is not passable.
1. Cleaning of the chimney and
connecting pipe is necessary.
2. The chimney and/or connecting
pipe is not tight.
2. Check tightness of closing the
inspection door in the chimney and
connection of the connecting pipe.
3. Excessive negative pressure in
the room in which the fireplace is
installed.
3. Supply fresh air to the room in
which the fireplace is installed (e.g.
open the window).
