Troubleshooting & Maintenance

Most dehumidifiers that have “stopped working” are doing exactly what they were designed to do. A unit that collects nothing in a room already at 45% is behaving correctly; one that ices up below 65°F is hitting physics, not a fault. These guides work symptom by symptom, ordered from the most likely cause to the least: no water, ice on the coil, a puddle underneath, a musty smell, a unit that will not start, and the maintenance schedule that prevents most of it.