La Sommeliere
Single-Zone Cooling Failure in Dual-Zone System
Dual-zone wine cooler has one zone cooling normally while the other 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
Failed evaporator fan in one zone, Blocked air duct between zones, Faulty zone temperature sensor, Diverter damper stuck closed (if equipped)
How to Fix / Troubleshooting
Safety: Unplug the unit before opening internal panels.
Steps:
- 1. Compare zones: Note which zone (upper or lower) is not cooling.
- 2. Check fan operation: With the unit running, listen for the fan in each zone. If one is silent, access and test the evaporator fan motor for that zone.
- 3. Inspect air ducts: Remove inner panels and check for obstructions in the air channels between zones.
- 4. Test zone sensor: Measure the NTC sensor for the warm zone and replace if faulty.
- 5. Check damper (if present): Some models use a motorized damper to share cooling between zones. Ensure it moves freely and is not stuck; replace the air damper motor if defective.
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Repair Difficulty
Medium
3/5
Required Part
Evaporator Fan Motor
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