Error 3004
Neato
Charging or battery communication fault
Neato app shows 'Error 3004: Battery error' or 'Charging error'.
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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
Battery pack not recognized, Battery temperature sensor open/short, Charging base output low, Main board charging circuit fault
How to Fix / Troubleshooting
Safety: Unplug the dock before inspection.
- Check dock output: Verify the dock's power adapter is firmly plugged into the wall and dock. If possible, test with a known-good adapter.
- Clean contacts: Wipe robot and dock contacts with a dry cloth.
- Replace battery: Install a new, compatible Neato battery pack.
- If still failing: The charging circuit on the main PCB or the dock itself may be defective and require replacement.
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Repair Difficulty
Medium
3/5
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