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Thermador®
Gaggenau EB 270/271/290/291 Oven Error Codes
Error Code Cause Example Corrective Action
F30 EEPROM error Replace display bd. See note 5
F40 Latch error Wiring, motor,
microswitch
Check wires, switch, run diagnostics See note 4
F41 Data cable shorted to
ground
Check wires Run diagnostics See note 4
F42 Door switch Switch open while door
locked
Check switch, wiring
25