The drive's parameters do not match the physical motor plate (incorrect
This is the "Motor stalled delay time." Increasing this value can prevent "nuisance" trips during brief heavy load periods. siemens drive fault code 7902
A magnetic contactor between the drive and motor had a pitted auxiliary contact that overheated slightly on the first start of the week, dropping one phase for 50ms. As the day progressed, thermal expansion improved contact – until the next Monday. The drive's parameters do not match the physical
Verify that all electrical connections are secure and that there are no signs of damage or wear on cables and connectors. Verify that all electrical connections are secure and
F07011 = Motor temperature model warning (pre-trip). F07902 = Trip threshold exceeded.
If the fault occurs on a SINAMICS G120XA, follow this Siemens recommended procedure : the converter to factory settings. Set (V/f) or (Vector). Enter motor nameplate data ( p0304p 0304 p0311p 0311 Set (Quick commission). Set (Ident. at standstill). Start the motor in Hand mode to run the motor ID. Critical Parameters to Review p0346p 0346
If the current limit (p0640) or torque limits are set too low for the application, the motor cannot pull enough power to move the load, triggering the stall fault.