How To Fix a Pellet Stove That Doesn’t Turn Off To fix a pellet stove that doesn’t turn off, you’ll first need to identify the faulty component and replace it with a working one. A surefire way to tell whether a component is faulty is by doing a continuity test. For this, you’ll need a multimeter like the AstroAI Multimeter 2000 (available on Amazon.com). This one is perfect for testing basic household appliances.