Zanussi
Power Supply to Display / Loose Connection
Display flickers or goes blank intermittently while freezer continues to run.
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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
Loose connector between display and main PCB, Failing low-voltage power supply on control board, Cracked solder joints on display PCB
How to Fix / Troubleshooting
Safety: Disconnect mains power before accessing control electronics.
- Access control area: Remove the control panel or top cover to reach the display PCB and main control board.
- Check connectors: Reseat all low-voltage connectors and ribbon cables. Look for signs of arcing or corrosion.
- Inspect solder joints: Examine the display board for cracked or dull solder joints, especially around connectors and regulators.
- Replace board: If flickering persists, replace the display PCB or main control PCB depending on which contains the power supply for the display.
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Repair Difficulty
Medium
3/5
Required Part
Display / User Interface PCB
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