F1
Phiestina
Upper Zone Temperature Sensor Fault (Dual-Zone Models)
Display shows F1 and the upper zone of a dual-zone Phiestina wine cooler does not maintain set 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
Failed upper zone NTC sensor, Loose sensor connector on control board, Damaged sensor wiring in upper compartment, Moisture damage to sensor
How to Fix / Troubleshooting
Safety warning: Disconnect power before removing interior panels or touching wiring.
- Identify zone: Confirm that F1 corresponds to the upper zone on your specific Phiestina model (refer to user manual if available).
- Access upper zone sensor: Remove upper zone shelves and the small cover or panel where the sensor is mounted (often on the rear or side wall).
- Inspect sensor and wiring: Check that the sensor probe is intact and firmly mounted. Look for cuts or pinches in the wiring.
- Check board connection: At the rear of the unit, locate the main control board and verify that the upper zone sensor connector is fully seated.
- Replace sensor if faulty: Order a "Phiestina upper zone temperature sensor". Remove the old sensor, route the new one along the same path, and reconnect it to the board.
- Reassemble and test: Reinstall panels, restore power, and verify that the F1 code clears and the upper zone cools correctly.
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Repair Difficulty
Medium
3/5
Required Part
Upper Zone Temperature Sensor
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