Siemens SIMATIC 505 - Troubleshooting Flow Diagram

Advanced Function Programming
3-26
SIMATIC 505–2556 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