Kärcher
Thermal or Overcurrent Protection Trip
Unit turns on but shuts off after a few seconds of use.
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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
Blocked airflow, Clogged filters, Failing vacuum motor, Faulty thermal cut-out
How to Fix / Troubleshooting
Safety first: Unplug the machine and allow it to cool before inspection.
- Clean filters: Remove and wash the motor protection filter and any pre-filters. Let them dry completely before refitting.
- Check air vents: Ensure all cooling vents are free from dust and lint.
- Inspect motor: Access the vacuum motor and check for signs of overheating or burning. If the motor is very hot after short use, it may be failing.
- Thermal cut-out: Test the thermal protector for proper operation. Replace if it trips prematurely or remains open when cool.
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Repair Difficulty
Medium
3/5
Required Part
Thermal Protector
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