The answer to 'why is my steam cleaner odor' is that there are a few common causes, including buildup of dirt, grime, and mold in the machine, as well as the use of improper cleaning solutions. This can lead to a musty or unpleasant smell coming from the steam cleaner.
Some of the most common symptoms of this issue include a foul or mildew-like odor coming from the steam cleaner, as well as decreased cleaning performance and efficiency. To address this, you'll want to thoroughly clean and maintain the steam cleaner according to the manufacturer's instructions. This may involve descaling the machine, cleaning the water tank and other components, and using only the recommended cleaning solutions.