Hoover
Display / UI Power Loss
Display is blank but compressor and fans run
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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
Failed display board,Loose low‑voltage connector from main PCB,Blown low‑voltage fuse on control board,Cracked display PCB tracks
How to Fix / Troubleshooting
Safety: Unplug the unit before accessing the control area.
- Check UI cable: Reseat the ribbon cable or harness between the main control PCB and the display board.
- Inspect for damage: Look for burn marks or cracked solder joints on the display PCB. Replace the board if damaged.
- Test low‑voltage output: With caution and the unit powered, measure the DC voltage from the main board to the display. If missing, the main PCB may have a blown regulator or fuse and should be replaced.
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Repair Difficulty
Medium
3/5
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