Neff Lower Zone Airflow or Valve Control Fault

Dual-zone Neff wine cooler: upper zone cools correctly but lower zone is warm.

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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

Lower zone evaporator fan failure, Air damper stuck closed, Blocked air channels between zones, Separate lower zone sensor or control fault

How to Fix / Troubleshooting

Safety: Unplug the unit before removing interior panels.

Steps:

  • Check settings: Ensure both zones are set to appropriate temperatures and not accidentally turned off.
  • Inspect lower fan: Remove lower zone rear panel and verify the fan is free of ice and obstructions. Replace the fan motor if it does not run when powered.
  • Check air channels: Ensure vents between zones are not blocked by bottles or shelves.
  • Sensor issue: If the lower zone sensor is faulty, the control may not call for cooling. Replace the lower zone NTC sensor if temperature readings are inaccurate.
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Repair Difficulty

Medium 3/5

Required Part

Lower Zone Evaporator Fan / Lower Zone Temperature Sensor
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