Swan Warming Plate Stuck On

Swan coffee maker's hot plate stays on indefinitely and does not turn off after the keep-warm period.

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.

Possible Causes

Stuck relay on control PCB, Shorted thermostat, Firmware error in timer control, Incorrect wiring after previous repair

Safety first: Unplug the coffee maker when not in use to prevent overheating or fire risk.

User checks:

Verify that the keep-warm time is not set to maximum or continuous (if your model supports this).

Technical checks:

Listen for the relay click on the control PCB when the keep-warm period should end; if no click and the plate stays hot, the relay may be welded closed.
Inspect the thermostat for correct wiring and operation; a bypassed or shorted thermostat will not limit heating.
Replace the control PCB or relay if it is stuck closed.

Hard 4/5

Control PCB Relay / Warming Plate Thermostat

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