Whirlpool
Upper Zone Cooling Failure
Lower zone cools properly but upper zone is 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, Upper zone thermistor failure, Air damper stuck closed (if equipped), Control board not energizing upper zone
How to Fix / Troubleshooting
Safety: Unplug the unit before accessing upper zone panels.
Steps:
- Verify settings: Ensure the upper zone is turned on and set to a temperature below ambient.
- Access upper zone fan: Remove shelves and the rear panel to expose the fan and thermistor.
- Test fan operation: Briefly power the unit and observe if the upper fan runs when cooling is called for. Disconnect power again before handling.
- Replace fan motor: Install a new Whirlpool-compatible upper zone evaporator fan if the existing one fails to run.
- Check thermistor: Test and replace the upper zone thermistor if readings are out of range.
- Control board: If the fan never receives power, the control board may be defective and require replacement.
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Repair Difficulty
Hard
4/5
Required Part
Upper Zone Evaporator Fan Motor
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