Washer displays E93; incompatible or missing configuration data for installed hardware.

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

Wrong control board installed, Incorrect option code setting, Incomplete service configuration, Faulty EEPROM

Safety first: Unplug the washer before accessing electronics.

1. Verify part numbers: Confirm that the main PCB and UI board match the exact Toshiba model number.
2. Enter service mode: Use Toshiba's service procedure to check and set configuration codes (drum size, heater presence, etc.).
3. Save and exit: After correcting settings, exit service mode and run a test cycle.
4. Replace PCB if needed: If configuration cannot be stored, replace the main PCB.

Professional Required 5/5

Main Control Board (PCB)

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