Danby
Single-Zone Cooling Failure in Dual-Zone System
Upper zone cools but lower zone is warm (dual-zone model) with no error code
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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 lower-zone evaporator fan, Blocked air duct between zones, Faulty lower-zone thermistor, Partial refrigerant restriction to lower evaporator
How to Fix / Troubleshooting
Safety: Unplug the unit before removing interior panels.
- Check fan operation: With the unit running (before unplugging), listen for the lower-zone fan. If silent, suspect a failed fan motor.
- Access lower evaporator: Remove lower shelves and rear panel to inspect the evaporator and fan. Clear any ice or obstructions.
- Test fan motor: With power off, spin the fan blade by hand. Replace the motor if seized or if it does not run when powered.
- Inspect thermistor: Locate the lower-zone sensor and test its resistance. Replace if out of spec.
- Air duct check: Ensure any ducts or vents between zones are not blocked by bottles or debris.
- Sealed system: If the lower evaporator shows no frost while the upper does, a sealed system restriction may exist and requires a professional technician.
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Repair Difficulty
Hard
4/5
Required Part
Lower-Zone Evaporator Fan Motor
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