Fault Code 7902 on a Siemens drive indicates a specific type of error related to the drive's operation. This code is part of the drive's diagnostic system, designed to help users and technicians quickly identify and address problems. The code 7902 specifically relates to an issue with the "Encoderless measurement" or problems with the speed control loop.
: Confirm that any mechanical brakes are actually releasing when the drive starts. Siemens SiePortal Parameter Adjustments Siemens Drive Fault Code 7902
