Swan Intermittent Power Loss / Thermal Trip

Swan coffee maker turns off mid-brew or randomly shuts down before the cycle is complete.

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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

Overheating thermostat cycling too early, Loose mains connection inside unit, Faulty control PCB relay, Failing thermal fuse with intermittent contact

How to Fix / Troubleshooting

Safety first: Unplug the coffee maker and allow it to cool fully before opening any covers.

Simple checks:

  • Ventilation: Ensure the coffee maker has adequate space around it and is not pushed against a wall or under low cabinets trapping steam.
  • Descale: Heavy scale can cause localized overheating and early thermal cut-out. Run a full descaling cycle.

Internal inspection:

  • Check the mains cord strain relief and internal connections for looseness or discoloration.
  • Inspect the thermostat and thermal fuse on the heating plate for signs of heat damage.
  • Gently tap the thermostat; if the unit cuts out with slight movement, the thermostat may be faulty and should be replaced.

If the problem persists after descaling and tightening connections, replacing the thermostat or control PCB is recommended.

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Repair Difficulty

Hard 4/5

Required Part

Thermostat / Thermal Fuse
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