Dishwasher displays i91; cycle may not start or may stop unexpectedly.

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 program configuration, Incorrect replacement control board, EEPROM failure

Safety first: Turn off power before working on the control panel.

Factory reset: Consult the Zanussi user manual for the specific model to perform a factory reset or program reset sequence.
Check board part number: If the control board was recently replaced, verify that the correct Zanussi part number for your model was installed.
Board reprogramming: Some models require service tools to reprogram the EEPROM. This must be done by an authorized service technician.

Professional Required 5/5

Main Control Board

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