TCL
No Power / Dead Unit
Dehumidifier does not power on at all; no lights or display.
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Safety Warning
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.
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Possible Causes
Blown internal fuse on main PCB, Faulty power cord, Failed main control board, Tripped household breaker
How to Fix / Troubleshooting
Safety: Unplug the unit before opening. If you are not comfortable working with mains voltage, contact a technician.
- Check outlet: Test the wall outlet with another appliance. Reset any tripped breakers or GFCI outlets.
- Inspect power cord: Look for cuts, burns, or kinks. Replace the cord if damaged.
- Access main PCB: Remove the rear or side panel to expose the control board. Look for an onboard fuse (glass or blade type). Test it with a multimeter and replace with the same rating if blown.
- Check for burn damage: If the board shows burn marks or swollen components, replace the main PCB.
- Reassemble and test: After replacing any components, reassemble the unit fully before plugging in and testing.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board (PCB) or Power Cord
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