Grundig Intermittent Power / Loose Electrical Connection

Vacuum shuts off intermittently when moved or tilted.

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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

Loose battery latch or worn battery rails, Poor contact at battery terminals, Broken solder joints on main PCB, Damaged wiring in handle or swivel joint

How to Fix / Troubleshooting

Safety first: Remove the battery pack before inspecting contacts.

  • 1. Check battery fit: Insert the battery and gently wiggle it. If the vacuum turns off or the battery feels loose, the latch or rails may be worn.
  • 2. Clean terminals: Wipe the battery and vacuum terminals with a dry cloth. Ensure they are not bent or recessed.
  • 3. Test in different positions: With the battery installed, run the vacuum and gently move it. If it cuts out when tilted or twisted, an internal connection may be loose.
  • 4. Service recommended: Internal wiring or PCB solder joints require opening the housing. Have a technician inspect and re-solder or replace the affected parts.
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Repair Difficulty

Hard 4/5

Required Part

Battery Terminal Assembly
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