Cause : No automatic firmware update comes when the system detected that the "Firmware update automatic" function (p7826 = 1) was not activated. This function must be activated for automatic firmware updates/downgrades to prevent impermissible version combinations when safety functions are enabled.

When safety functions are enabled (p9501 <> 0 and/or p9601 <> 0):

1. Activate the "Firmware update automatic" function (p7826 = 1).
2. Save the parameters (p0977 = 1) and carry out a POWER ON.
When de-activating the safety functions (p9501 = 0, p9601 = 0), the fault can be acknowledged after exiting the safety commissioning mode.