Safety: Unplug the unit before opening any panels. If you are not comfortable working with mains voltage, seek professional help.

Steps to troubleshoot no power:

Check outlet: Test the wall outlet with another appliance. Reset any tripped breakers or GFCI outlets.
Inspect power cord: Look for cuts, kinks, or burn marks. If damaged, replace the power cord set with a compatible Pro Breeze part.
Access main PCB: Remove the rear or side panel to expose the main control PCB. Locate the input fuse (usually a small glass or ceramic fuse).
Test fuse: With a multimeter, check continuity across the fuse. If blown, replace with the same rating. If it blows again immediately, there is a deeper fault in the power supply or compressor circuit.
Inspect for burnt components: Look for scorched areas on the PCB. If present, replace the entire main control PCB.
Check power switch / touch panel: On models with a mechanical switch, test continuity when switched on. Replace the power switch or touch control panel if it does not function.

Dehumidifier does not power on at all (no lights, no display).

Possible Causes