C09
Samsung
Fan Motor / Suction Motor Error
Robot vacuum reports C09 and suction is weak or does not start.
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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
Failed suction fan motor, Blocked air path causing overcurrent, Loose fan motor connector, Main PCB fan driver failure
How to Fix / Troubleshooting
Safety first: Turn off the robot and remove it from the dock. Do not run the unit with a burning smell or loud grinding noise.
- Check for blockages: Remove the dustbin and filter. Inspect the air inlet, cyclone, and exhaust path for clogs (dust clumps, paper, pet hair). Clear any obstructions.
- Clean or replace filter: If the pre‑filter or HEPA filter is heavily clogged, clean according to the manual or replace with a genuine Samsung filter.
- Test suction: Reinstall the bin and filters, then start the robot. Listen for the fan motor. If it does not spin or makes harsh noises, stop immediately.
- Service if needed: A failed fan motor or driver circuit requires internal disassembly and replacement of the suction motor module or main PCB by a technician.
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Repair Difficulty
Hard
4/5
Required Part
Suction Fan Motor Assembly
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