F3
Franke
Smart Module / Network Communication Fault
Smart Franke disposal connected to a home hub shows F3 in the app; disposal runs but status or control from the app fails.
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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
Lost Wi-Fi connection, Firmware glitch in Franke smart module, Incorrect app pairing, Faulty smart communication board
How to Fix / Troubleshooting
Safety first: Network troubleshooting does not require power-off, but do not run the disposal while working under the sink.
- Check Wi-Fi: Ensure your router is powered and the signal is strong near the sink area. Move the router closer or add a repeater if needed.
- Reboot smart module: Turn OFF the breaker for 1 minute, then restore power to reboot the Franke smart module.
- Re-pair in app: Open the Franke or compatible app, remove the existing device, then follow the pairing instructions to add the disposal again.
- Update firmware: If the app offers a firmware update for the disposal, apply it and retest.
- Replace smart board: If F3 persists and local control (wall switch) works fine, the Franke smart communication board may need replacement.
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Repair Difficulty
Medium
3/5
Required Part
Franke smart communication board
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