Siemens F7802 fault code meaning
Siemens / F7802
Series: V90
Infeed or power unit not ready
servo drive
Meaning: The infeed or drive did not return a ready signal after the internal switch-on command for one of the following reasons: Monitoring time too short. No DC bus voltage. Fault in the infeed or drive to which the component belongs. Enable the infeed.
Possible causes
Source: SINAMICS V90 PROFINET, SIMOTICS S-1FL6 Operating Instructions P380