Microwave displays E13 and will not accept new programs; clock and basic display may still work.

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

Corrupted firmware, Failed EEPROM chip on control board, Power surge during operation, Control PCB fault

Safety first: Unplug the appliance.

Power cycle: Leave the microwave unplugged for 10–15 minutes, then reconnect and see if E13 clears.
Factory reset (if available): Consult the Zanussi user manual for any key combination to reset to factory settings and attempt it.
Stable power: Plug the microwave directly into a wall outlet, avoiding multi-way adaptors that may cause voltage drops.
Control board replacement: If E13 persists, the control PCB (with EEPROM) usually must be replaced with the correct Zanussi part.

Professional Required 5/5

Main Control PCB

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