HASE Sendai 175, Operating Instructions Manual

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43
Possible Problem Possible Cause
The wood does not light or lights only slowly. - The wood is too thick. / The wood is too damp.
- The air supply is inadequate.
The wood burns without a bright, yellow flame, smoulders, or even goes out. - The wood is too damp.
- The air supply is inadequate. / The butterfly valve is closed too tightly.
- The outside temperature is too high.
Too much soot is produced; the heat-resisting slabs do not stay clean and free of soot
during operation.
- The outside temperature is too high.
- The air supply is inadequate.
- The quantity of wood is too small and thus the combustion chamber remains too cold.
The fire box window becomes sooty. - The wood is too damp.
- The secondary air supply is inadequate.
- The fire box door is not tightly sealed.
- The chimney draught is too weak.
The wood burns too quickly. - The chimney draught is too strong.
- The wood logs are too small.
- The control elements are positioned or set incorrectly.
Smoke escapes into the room while the stove is in operation. - The air supply is inadequate. / The butterfly valve is closed too tightly.
- The chimney cross section is too narrow.
- The flue gas ducts in the stove pipe or chimney are extremely sooty.
- Wind is blowing down on the chimney.
- Fans (bathroom, kitchen) are creating negative pressure in the
living room and drawing smoke from the stove.
The chimney becomes wet and coated with creosote, condensate leaks out of the stove
pipe.
- The wood is too damp.
- The flue gases are too cold. / The chimney is too cold.
- The chimney cross section is too wide.
Although the fire burns well, the stove does not get warm. - The chimney draught is too strong.
- The air sliders are not in the correct position.
Smoke escapes when the fire box door is opened. - The chimney draught is too weak. / The chimney cross section is too wide or too narrow.
- The fire is still burning too strongly.
- The fire box door was opened too quickly.
- Fans (bathroom, kitchen) are creating negative pressure in the living room
and drawing smoke from the stove.
- The butterfly valve is closed.
17. Troubleshooting
Your authorised Hase dealer or local planning officer will be glad to answer any questions you might have.