F5
TCL Keypad / Button Panel Fault

Vacuum shows F5 and none of the buttons respond, or the mode button does not change suction level.

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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

Stuck or damaged power/mode button, Liquid ingress under control panel, Loose ribbon cable between keypad and main PCB, Failed keypad PCB on handle

How to Fix / Troubleshooting

Safety first: Remove the battery before working near the control panel.

  • 1. Inspect buttons: Press each button several times. If any feel stuck or do not click, debris or damage may be present.
  • 2. Clean around buttons: Use a dry, soft brush or compressed air to remove dust around the button edges. Do not spray liquids directly on the panel.
  • 3. Dry out moisture: If the vacuum was exposed to liquid, leave it in a warm, dry place for 24–48 hours before retrying.
  • 4. Soft reset: Remove the battery, hold the power button for 15 seconds, then reinstall the battery and test.

Service action: If F5 remains and buttons are unresponsive, the keypad PCB or ribbon cable is likely faulty. Replacement requires opening the handle or main body and should be done by a technician.

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Repair Difficulty

Hard 4/5

Required Part

Keypad / Control Panel PCB
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