| Problem | Possible Cause | Possible Solution |
| Heater ignites but goes out after a short time. | 1. Lack of fuel. 2. Water in fuel reservoir. |
1. Add fuel to tank, wait 1/2 hour to light heater. 2. Completely empty fuel tank, replace wick |
| Smoke and soot are produced with a high flame | 1. Wick too high. 2. The bottom of the burner assembly is not seated correctly. |
1. Adjust wick down (unpinned wick). 2. Move burner unit right and left. If that doesn’t work, remove the burner assembly and look for a resin buildup. |
| Wick cannot be lowered, heater can’t be extinguished. | 1. Wick too high. 2. Buildup of tar deposits on top of wick. |
1. Lower wick (unpinned). 2. Blow out flame or smother with a wet blanket. When cool, remove burner unit, crunch wick with pliers, and burn wick "dry." |
| Strong odor. | 1. Heater in unventilated room. 2. The bottom of the burner unit is not seated correctly. 3. Wick too high or too low. |
1. Open windows a bit for cross ventilation. 2. Move burner right and left to seat properly. 3. Adjust wick for proper height (unpinned wick); if wick has ragged top, replace. |
| Difficult to raise and lower wick. | 1. Tip of wick has buildup of tar deposits. | 1. Burn wick "dry" to remove tar/resin deposits. |
| Heater slow to warm up. | 1. Wick needs cleaning. | 1. Burn wick "dry." Wick may need replacing. |
| Can’t ignite or hard to ignite. | 1. Igniter defective. 2. Batteries run down. 3. Wick needs cleaning. |
1. Replace igniter. 2. Replace batteries. 3. Burn wick "dry." |