Humidifier or dehumidifier displays E0 and may not respond to settings changes.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Stuck button on control panel, Damaged touchpad membrane, Moisture intrusion into control panel, Faulty control panel PCB

Safety: Unplug the unit before working on the control panel.

Inspect buttons: Check each button for physical sticking or damage. Gently press around the edges to free any stuck keys.
Dry panel: If the panel is damp, allow it to dry completely in a warm, dry area.
Open control panel: Remove screws and carefully lift the panel to inspect the keypad PCB and ribbon cable.
Clean contacts: If corrosion is present, lightly clean with isopropyl alcohol and a soft brush.
Replace panel: If E0 persists, replace the entire control panel/keypad assembly.

Medium 3/5

Control Panel / Keypad Assembly

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