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Upper Zone Cooling Failure
Lower zone cools but upper zone remains 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 evaporator fan, Blocked upper air vents, Faulty upper zone temperature sensor, Diverter damper stuck closed (if equipped)
How to Fix / Troubleshooting
Safety: Unplug the unit before removing interior panels.
- Verify settings: Ensure the upper zone is set to the desired temperature and not in standby.
- Check vents: Make sure bottles or shelves are not blocking the upper zone air outlets.
- Fan inspection: Access the upper evaporator fan behind the interior panel. Check for obstructions and test the fan motor; replace if not running.
- Damper (if present): Some models use a motorized damper to share cold air. Verify it moves freely and is not stuck; replace the damper motor if defective.
- Sensor replacement: Replace the upper zone NTC sensor if readings are inaccurate.
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Repair Difficulty
Medium
3/5
Required Part
Upper Zone Evaporator Fan Motor
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