F074, Firmware download: Firmware index for the safety unit don't match

The firmware index of the safety unit isn't supported by the firmware file.

Diagnostic Code (Hex.)

Diagnostic Code (Dez.)

F074

61556

Class

Type

Error

Bootloader error

Standard Reaction

Reset

The power stage is already switched off

A reset is not possible. A fatal hard- or software error occured and the transition PreOp->SafeOp is blocked.

Possible Causes

Solutions

The firmware file is invalid.

Choose an appropriate firmware file. Take the highest "Build" of the used version.

The safety unit is invalid.

Replace the safety unit as necessary.