This is the time the drive waits before tripping. Increase this value slightly if your application experiences high-inertia startups.
If you have landed here because your Siemens drive display or your PLC (Programmable Logic Controller) HMI (Human-Machine Interface) is flashing “F07902,” you are likely facing an unexpected downtime scenario. This article provides an exhaustive breakdown of fault code 7902—what it means, why it occurs, and step-by-step methods to troubleshoot and resolve it permanently. siemens drive fault code 7902
The F07902 fault occurs when the difference between the set speed and actual speed exceeds the tolerance for a specific time limit. This is the time the drive waits before tripping
"That doesn't make sense," Marcus snapped. "We didn't change anything. It was running fine at 1:45, and then—bang—e-stop tripped, and this code popped up." This article provides an exhaustive breakdown of fault
This article is based on Siemens SINAMICS documentation and field experience. Always refer to the official List Manual for your exact drive series and firmware version before changing parameters.
To avoid future occurrences of fault code 7902:
: If this happens during an OFF/ON cycle, try activating the "Flying Restart" function (p1200=1).