Dehumidifier display shows incorrect room humidity (e.g., always 30% or always 80%).

Safety first: Unplug the unit before accessing internal components.

• Verify with external meter: Use a separate hygrometer to compare actual room humidity with the dehumidifier display.
• Clean sensor area: Remove dust from around the humidity sensor using compressed air. Do not touch the sensor element directly.
• Check placement: Ensure the sensor is positioned in the incoming air stream and not blocked by foam or wiring.
• Replace sensor: If readings are consistently wrong by a large margin, replace the humidity sensor assembly.