Dehumidifier will not turn on at all; no lights or display.

Safety first: Unplug the unit before opening any panels. If you are not comfortable working with electricity, contact a technician.

• Check outlet: Plug a lamp or other device into the same outlet to verify power. Reset any tripped breakers or GFCI outlets.
• Inspect power cord: Look for cuts, burns, or crushed sections. If damaged, replace the cord set.
• Try another outlet: Plug the dehumidifier directly into a different, known-good outlet (no extension cords).
• Check internal fuse: Remove the control housing and locate the fuse on the main PCB (if present). Test with a multimeter. Replace only with the same type and rating if blown.
• Board replacement: If the fuse is good and power is present at the board but the unit is dead, the main control board is likely faulty and should be replaced.