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

Steps:

• Compare readings: Use a separate hygrometer to compare actual room humidity with the unit's display.
• Relocate unit: Ensure the dehumidifier is not placed where its own discharge air blows directly onto the sensor area.
• Clean or replace sensor: If readings are consistently off by a large margin, replace the humidity sensor assembly.
• PCB replacement: If a new sensor does not correct the reading, the main PCB may be faulty.