Brian FA service 4 hours Bldg A trouble shot all devices in vault and redid all connections. Can read open circuit and EOL from panel side of circuit . Panel still in trouble . There was a ground fault upon arrival I cleared the ground fault. It must be the module shorted out when vault was flooded see pictures for Siemens model. Need Siemens tech to replace bad module and check programming Bldg D nac panel trouble, located nac with fault. Traced wire manually from circuit one to located faulty appliance. found bad horn strobe in basement closest to sprinkler room . Removed horn strobe and bypass for now to clear panel until replacement is installed Siemens please see pictures for model type