Error code

Thermador F9

THERMADORF9
Error Code· Shown on the appliance's control panel.

What it means

Internal Logic Failure.

How to fix it

  1. Check door latch and switches and replace if defective. Replace control board (clock) if everything else is ok.

Not affiliated with Thermador. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.