Summit
Single‑Zone Failure in Dual‑Zone System
Dual‑zone wine cooler has one zone cooling properly while the other stays 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 zone sensor, Stuck air damper, Faulty zone fan, Partial blockage in shared evaporator, Control board zone output failure
How to Fix / Troubleshooting
Safety: Unplug before accessing internal components.
- Compare zones: Verify which zone is not cooling and note any error indicators on that zone's display.
- Check airflow: Ensure vents between zones are not blocked by bottles.
- Inspect zone fan/damper: Access the partition between zones and test the zone fan motor or air damper. Replace if not operating.
- Test zone sensor: Measure resistance of the affected zone's sensor and replace if defective.
- Control board: If hardware is good, the dual‑zone control board may have a failed output for that zone and should be replaced.
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Repair Difficulty
Hard
4/5
Required Part
Zone Fan Motor / Air Damper
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