Siemens 505-2557 Troubleshooting (continued)

Advanced Function Programming3-26 SIMATIC 505–2557 Installation and Operation Guide
Troubleshooting (continued)
T able 3-10 Troubleshooting Flow Diagram
Symptom Probable Cause Corrective Action
Wrong values Not logged in Login to controller
Not logged in correctly Verify log-in
No functions working
Ladder program did not
execute Debug ladder program. Verify V-memory tables.
No functions working Offsets incorrect Calculate offsets starting
address
Functions never enabled Edit ladder program to
enable function after
loading data