Gaggenau Single-Zone Air Distribution or Sensor Issue

Dual-zone wine cooler shows correct temperatures but one zone is consistently warmer than setpoint while the other is correct.

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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

Partially blocked air vent to affected zone, Misplaced or faulty zone temperature sensor, Diverter flap not directing enough air, Overloading that zone with bottles

How to Fix / Troubleshooting

Safety: Disconnect power before accessing interior panels or diverter mechanisms.

Steps:

  • 1. Check loading: Reduce bottle density in the warmer zone and ensure vents are not blocked.
  • 2. Verify sensor placement: Locate the zone sensor and ensure it is properly mounted and not touching cold surfaces or blocked by bottles.
  • 3. Test sensor: Measure resistance and replace if out of specification.
  • 4. Inspect diverter flap: Ensure the air diverter is moving correctly and not stuck in a position favoring one zone.

Note: Allow several hours after adjustments for the affected zone to stabilize.

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Repair Difficulty

Medium 3/5

Required Part

Zone NTC Temperature Sensor
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