Microwave shows E19 and may not respond to some buttons; display may freeze intermittently.

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.

Possible Causes

Failed display PCB, Loose UI ribbon cable, Shorted LED or display driver, Moisture damage behind fascia

Safety first: Unplug the appliance.

Dry out: If steam or cleaning fluid recently contacted the control area, allow the unit to dry for several hours.
Check connections: Remove the control panel and reseat the ribbon cable between the UI board and main PCB.
Inspect UI board: Look for corrosion, burnt components, or cracked solder joints. Clean light corrosion with isopropyl alcohol and a soft brush.
Replace UI board: If damage is evident or E19 persists, replace the user interface/display PCB with the correct Zanussi part.

Medium 3/5

User Interface PCB

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