Electrolux
Battery Runtime Degradation
Robot vacuum runs for only a few minutes and then returns to dock or shuts off without an error code.
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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
Aged lithium-ion battery with reduced capacity, Battery not fully charging due to dock contact issue, High suction mode draining battery quickly, Battery temperature sensor drift
How to Fix / Troubleshooting
Safety first: Do not continue to operate a battery that becomes excessively hot or swollen.
- 1. Clean charging contacts: Wipe the robot and dock contacts to ensure efficient charging.
- 2. Full charge cycle: Leave the robot on the dock for at least 4–5 hours, then start a cleaning cycle and time the runtime.
- 3. Adjust cleaning mode: Set suction to a standard or eco mode and retest runtime to rule out heavy-load operation.
- 4. Battery replacement: If runtime remains significantly below specification, replace the Electrolux battery pack with a genuine replacement.
- 5. If issue persists with new battery: The charging circuit or battery sensing on the main PCB may be faulty and require professional service.
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Repair Difficulty
Medium
3/5
Required Part
Electrolux Robot Vacuum Battery Pack Assembly
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