E9
TCL Charging Circuit / Charger Fault

Vacuum shows E9 and will not charge or stops charging prematurely.

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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

Defective TCL wall charger or docking station, Damaged DC jack or charging contacts on vacuum, Faulty charging circuit on main PCB, Battery pack internal charge protection triggered

How to Fix / Troubleshooting

Safety first: Unplug the charger from the wall before inspecting connectors. Do not use damaged chargers or cables.

  • 1. Inspect charger and cable: Check the TCL charger for frayed wires, bent pins, or burn marks. If damaged, stop using it and replace with an original TCL charger.
  • 2. Try another outlet: Plug the charger into a different wall outlet. Avoid extension cords and power strips.
  • 3. Clean charging contacts: If your model uses docking contacts, wipe the contacts on both the dock and the vacuum with a dry cloth.
  • 4. Check battery seating: Ensure the battery pack is fully inserted and latched into the vacuum body.
  • 5. Observe charger LED: Note the charger LED behavior (steady, blinking, off) and compare with the TCL manual to identify charger vs. battery fault.

If E9 persists: Either the charger, battery pack, or internal charging circuit is defective. Test with a known‑good TCL charger if available. If the issue remains, replace the battery pack. If still unresolved, the main PCB charging circuit likely needs professional replacement.

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Repair Difficulty

Medium 3/5

Required Part

TCL Original Charger / Docking Station
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