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Zanussi
Sensor Reading Out of Range / No Valid Temperature
Display shows dashes (---) instead of temperature; freezer may still run but control is limited.
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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
Disconnected or failed temperature sensor, Broken harness, Control board unable to interpret sensor signal
How to Fix / Troubleshooting
Safety: Unplug the appliance before accessing sensors or the control board.
- Identify which sensor: Consult the user manual; dashes often indicate the main freezer sensor is not providing a valid reading.
- Check connections: Inspect the sensor connector at both the sensor end and the main PCB for loose or corroded pins.
- Test sensor: Measure resistance and compare to Zanussi NTC values. Replace the freezer temperature sensor if out of range.
- Inspect harness: Look for breaks where the cable passes through the cabinet.
- Replace control board: If the sensor and wiring are good, the main control PCB may be faulty.
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Repair Difficulty
Medium
3/5
Required Part
Freezer Temperature Sensor (NTC)
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