F3
Danby Ambient Sensor Error (Compact Units)

Danby compact refrigerator or wine cooler displays F3 and may show incorrect temperature readings.

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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 ambient sensor, sensor located incorrectly, damaged wiring, defective control PCB

How to Fix / Troubleshooting

Safety: Unplug the unit before accessing sensors or the control board.

Steps to address F3:

  • Locate ambient sensor: Often mounted near the front grille or behind the control panel to sense room temperature.
  • Inspect sensor and wiring: Check for physical damage, loose connectors, or corrosion.
  • Test sensor: Measure resistance at room temperature and compare to expected NTC values. Replace if out of spec.
  • Replace sensor or board: Install a new OEM Danby ambient sensor if faulty. If the sensor and wiring are good but F3 persists, the control PCB may need replacement.
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Repair Difficulty

Medium 3/5

Required Part

Ambient Temperature Sensor
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