Flash memory on 83SR50, 83SR51 & 81EU50 is not writable
A hardware issue regarding a Flash PROM on the P14 modules 81EU50R1210, 83SR50R1210
and 83SR51R1210 exists on modules with production date after October 2018.
This product bulletin describes which actions are necessary to identify affected modules and
It further describes which possibilities are available to overcome or solve the problem.