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5.-Carburetor out of adjustment (decrease high-fire screw). -Cold flue.
-Flame set too high (flame impinging on baffle too much). -Faulty gasket (door rope, glass seal, or relief plate seal). -Excessive residue in burner bottom.
6.-High wind, or unstable draft condition.
-Incorrect carburetor setting (increase low-fire screw). -Faulty carburetor. (rare condition)
7.-Abnormally high, gusty winds (If you live in a windy area, a draft stabilizer may need to be installed in the pipe to compensate).
-A wind-directional cap or vacuum cap may be helpful to prevent wind gusts and down drafts from affecting pressure.
8.-No oil in tank.
-Valve in fuel supply line shut inadvertently.
-Fuel supply blocked (plugged filter, frozen water). -Carburetor on/off lever tripped.
9.-Stove door having been open for a while and then shut (a roaring noise can occur for a short period until draft stabilizes).
-Draft pressure too high - adjust carburetor to decrease high flame size, or add a tee in connector pipe with a draft stabilizer
10.-Carbon deposits (operate de-coking rod). -Draft pressure too high.
11.-Carburetor adjusted too high, allowing too much flame impingement on stove top. -Flue plugged or dirty.
-Dirty burner or plugged fuel inlet (operate de-coker/clean burner bottom)
-House pressure problem (inadequate supply of air to stove, or fans operating in the house increasing negative house pressure).
-Faulty or deteriorated catalyst.
-Blocked or inhibited air supply to stove (check outside air supply to stove or room). -Faulty gasket (door rope, glass seal, relief plate seal, or burner gasket).
12.-Oil leaking from any connection. -Poorly adjusted burner
-low flue pressure due to chimney size or geographic conditions affecting draft. Consider smaller flue size to increase negative draft pressure.