Oven displays E-85 and may not heat or may lock out certain functions.

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

Incorrect option code set in PCB, Mismatched UI and main PCB, Corrupted communication data, Faulty control board

Safety first: Turn off power at the breaker.

Review recent repairs:
- If a board was recently replaced, confirm that both UI and main PCB are compatible Samsung parts for your model.
Power reset: Restore power and see if the error clears.
Technician configuration: Option codes often require service mode access and are best set by a Samsung technician.
Replace incorrect or faulty board: If parts are mismatched or corrupted, install the correct board.

Professional Required 5/5

Main Relay Control Board

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