TYLZA
Single-Zone Cooling Failure in Dual-Zone System
Upper zone cools properly but lower zone is warm or at room temperature.
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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, Blocked air channel to lower zone, Lower zone evaporator sensor fault, Partial refrigerant restriction to lower circuit (if dual-evap design)
How to Fix / Troubleshooting
Safety: Unplug the unit before removing interior panels.
- Check airflow: Ensure vents between zones are not blocked by bottles or shelves.
- Listen for fan: With the door closed and unit running (before unplugging), listen near the lower zone for fan noise. If silent, suspect the lower evaporator fan.
- Access lower fan: Remove lower shelves and interior rear panel to inspect the fan and evaporator.
- Clear ice and debris: Defrost any ice buildup and remove obstructions from the fan blades.
- Test and replace fan: Check fan motor continuity and replace with a TYLZA-compatible lower zone fan if faulty.
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Repair Difficulty
Medium
3/5
Required Part
Lower Zone Evaporator Fan Motor
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