Swan Unstable Power Supply / Loose Connection

Swan coffee maker display or indicator lights flicker or dim 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

Loose mains plug or socket, Failing low-voltage regulator on control PCB, Loose internal wiring connector, Overloaded household circuit

How to Fix / Troubleshooting

Safety first: Unplug the unit before internal inspection.

External checks:

  • Plug the coffee maker directly into a wall outlet, not a multi-way adapter.
  • Test the outlet with another appliance to rule out a bad socket.

Internal checks:

  • Inspect the control PCB for bulging capacitors or burnt components in the power supply section.
  • Reseat any plug-in connectors on the PCB and ensure they are tight.
  • If flickering persists, the control PCB's power supply may be failing and should be replaced.
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Repair Difficulty

Medium 3/5

Required Part

Control PCB Power Supply Section
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