Swan
Overheating / Flash Boiling in Boiler
Swan coffee maker emits excessive steam or sputters water violently from the brew head.
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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
Low water level causing steam pockets, Severe limescale in boiler, Faulty thermostat or thermistor, Blocked outlet causing pressure buildup
How to Fix / Troubleshooting
Safety first: Unplug the unit immediately and keep clear of hot steam. Allow it to cool fully.
User checks:
- Ensure the reservoir is filled above the minimum line.
- Clean the filter basket and shower head to remove any blockages.
Descale:
- Run a thorough descaling cycle to remove scale that can cause uneven boiling.
Technical checks:
- If the problem persists, test the thermostat and thermistor for correct operation and replace if faulty.
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Repair Difficulty
Medium
3/5
Required Part
Boiler Thermostat / NTC Thermistor
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