F3
Logik
Cyclone Blockage / Differential Pressure Error
Vacuum shows F3 and suction pulses or surges during operation.
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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
Fine dust clogging cyclone shroud, Blocked mesh screen in dust bin, Over‑saturated pre‑motor filter, Dust packed around pressure sensor port
How to Fix / Troubleshooting
Safety first: Remove the battery pack and empty the dust bin before cleaning.
- Deep clean cyclone: Remove the dust bin and cyclone assembly. Use a soft brush to scrub the mesh shroud and internal cyclone cones. If the manual allows, rinse under water and dry completely.
- Clean pre‑motor filter thoroughly: Tap out dust and wash if washable. Ensure it is fully dry before refitting to avoid sensor errors.
- Check sensor port: Some Logik models have a small hole or channel near the cyclone leading to a pressure sensor. Gently clear any dust using a dry brush or compressed air (short bursts).
- Reassemble and test: Refit all components securely. If F3 and pulsing continue, the pressure sensor or its tubing on the main PCB may be faulty and require replacement.
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Repair Difficulty
Medium
3/5
Required Part
Cyclone Assembly
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