OXO Mid‑Cycle Interruption / Thermal or Flow Fault

Coffee maker starts but stops brewing mid‑cycle, leaving partially brewed coffee.

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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

Overheat thermostat tripping, Scale restricting flow causing heater shutdown, Failing vibration pump, Loose internal wiring to heater or pump

How to Fix / Troubleshooting

Safety first: Allow the unit to cool for at least 20 minutes before troubleshooting to avoid burns from hot water or steam.

  • Check water level: Ensure the reservoir has enough water for the selected brew size. Low water can cause the cycle to end early.
  • Descale thoroughly: Perform a full descale cycle to remove mineral buildup that can cause overheating or flow restriction.
  • Observe behavior: Run a water‑only brew and watch the flow. If it starts strong and then slows to a trickle before stopping, the pump or internal blockage is likely.
  • Avoid repeated restarts: Do not repeatedly restart the brew if it keeps stopping; this can overheat the heater and trip safety devices.
  • Service if recurring: Persistent mid‑cycle shutdowns after descaling indicate a failing pump, thermostat, or heater assembly that should be inspected by a professional.
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Repair Difficulty

Medium 3/5

Required Part

Vibration Pump / Heater Thermostat
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