KitchenAid Upper Zone Cooling Failure

Wine cooler lower zone cools but upper zone is warm (dual-zone model)

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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 upper-zone fan, Blocked upper air vents, Faulty upper-zone thermistor, Damper not directing air to upper zone

How to Fix / Troubleshooting

Safety: Unplug the unit before accessing upper-zone components.

  • Step 1 – Check vents and loading: Ensure bottles are not blocking upper-zone vents.
  • Step 2 – Test upper fan: Listen for airflow in the upper zone when the compressor runs. If absent, access and test the upper-zone fan motor and replace if necessary.
  • Step 3 – Replace upper thermistor: If the upper-zone temperature reading is incorrect, replace the upper-zone thermistor.
  • Step 4 – Inspect damper: Verify the damper is directing air properly to the upper zone; replace if defective.
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Repair Difficulty

Medium 3/5

Required Part

Upper-Zone Evaporator Fan
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