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When I pick up and tilt the space heater, it rattles loudly as if something is loose inside. Is this normal?
When you move the space heater, you may hear a rattling sound from inside. Don't worry. It's just the sensor designed to detect if the space heater tips over. If the tilt angle exceeds 45°, the tip-over safety switch will automatically turn off the heater to prevent accidents.
The temperature won’t adjust in the high and low settings. It will adjust in the eco setting. Do you know if this is normal?
space heater's high and low levels have fixed temperature outputs, so the temperature cannot be adjusted. In ECO mode, you can set your preferred temperature (61℉ to 95℉).