A Bosch Oven displays a E309 error code when a ROM Error has been detected by the internal electronic diagnostics.

A Bosch Oven displays a E305 error code when a Communication Error has been detected by the internal electronic diagnostics.

A Bosch Oven displays a E303 error code when a PCB Temp Error has been detected by the internal electronic diagnostics.

A Bosch Oven displays a E302 error code when a PCB Temp Error has been detected by the internal electronic diagnostics.

A Bosch Oven displays a E226 error code when a Door Latch Error has been detected by the internal electronic diagnostics.

A Bosch Oven displays a E224 error code when a Door Latch Error has been detected by the internal electronic diagnostics.

A Bosch Oven displays a E223 error code when a Meat Probe Error has been detected by the internal electronic diagnostics.

A Bosch Oven displays a E222 error code when a Meat Probe Error has been detected by the internal electronic diagnostics.

A Bosch Oven displays a E218 error code when a Cooling Fan Error has been detected by the internal electronic diagnostics.

A Bosch Oven displays a E216 error code when a Meat Probe Error has been detected by the internal electronic diagnostics.