Keurig Power Supply Instability Under Load

Brewer turns on but immediately shuts off or resets when starting a brew.

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

Weak power outlet or circuit, Internal power supply fault, Shorting heater or pump, Loose internal connections

Safety first: Avoid repeated resets; unplug the brewer.

Test another outlet: Plug the brewer directly into a different known-good outlet (no extension cord or power strip).
Remove other high-load devices: Ensure the circuit is not overloaded with other appliances.
Observe behavior: If the unit still resets when the pump or heater engages, an internal short or failing power supply is likely.
Professional service: Internal power supply and wiring issues should be handled by a technician.

Hard 4/5

Main Control Board

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