Henry No Power / Dead Unit

Vacuum will not turn on at all, no lights, no sound

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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

Completely discharged battery, Faulty battery pack, Faulty main power switch (if fitted), Failed control PCB

How to Fix / Troubleshooting

Safety first: Do not attempt to open the battery or main body unless you are qualified.

Step-by-step:

  • 1. Check battery charge: Place the battery on the charger and confirm that the charger LED indicates charging. If there is no light, test a different outlet.
  • 2. Try a second battery (if available): If the vacuum powers up with another battery, the original pack is faulty.
  • 3. Check main power switch: Some Henry cordless models have a master ON/OFF switch on the body. Ensure it is in the ON position.
  • 4. Inspect for damage: Look for signs of impact, cracks, or liquid ingress on the body and handle.

If the unit remains completely dead with a known-good battery and correct switch position, the internal control PCB or wiring is likely faulty and requires professional repair.

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Repair Difficulty

Hard 4/5

Required Part

Control PCB
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