F2
Haier
Freezer Compartment Sensor Fault (Alternate Code)
Display shows F2 and the freezer may not maintain correct 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 freezer NTC sensor, Loose or corroded connector, Damaged harness, Main PCB sensor circuit failure
How to Fix / Troubleshooting
Safety: Unplug the refrigerator before working in the freezer compartment.
Steps:
- 1. Access freezer sensor: Remove drawers and the rear panel to locate the freezer sensor on or near the evaporator.
- 2. Inspect: Look for physical damage or ice encasement. Defrost if necessary.
- 3. Test resistance: Measure sensor resistance and compare to spec. Replace if out of range.
- 4. Check wiring: Verify continuity to the main PCB. Repair any damaged wires.
- 5. Replace PCB: If sensor and wiring are good but F2 remains, the main control board may be defective.
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Repair Difficulty
Medium
3/5
Required Part
Freezer Temperature Sensor (NTC Probe)
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