F2
Summit Lower Zone Temperature Sensor Fault

Dual‑zone Summit wine cooler shows F2 on lower zone display; lower zone not cooling correctly.

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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

Failed lower zone NTC sensor, Loose connector at control board, Damaged harness in cabinet wall, Faulty dual‑zone control board

How to Fix / Troubleshooting

Safety: Disconnect power before opening panels.

  • Locate lower zone sensor: Find the sensor behind the lower zone interior panel or near the bottom shelves.
  • Inspect wiring: Check for pinched or damaged wires where they pass through the cabinet.
  • Test sensor: Measure resistance and compare to expected NTC values. Replace the lower zone temperature sensor if defective.
  • Verify board connection: Reseat the lower zone sensor connector on the control board.
  • Replace board if needed: If F2 persists with a good sensor, replace the dual‑zone main control board.
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Repair Difficulty

Medium 3/5

Required Part

Lower Zone Temperature Sensor
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