Troubleshooting Flow Diagram - Siemens SIMATIC 505 Installation And Operation Manual

Troubleshooting (continued)
3-26 Advanced Function Programming
Table 3-10 Troubleshooting Flow Diagram
Symptom
Wrong values
No functions working No functions working
Probable Cause
Not logged in
Not logged in correctly
Ladder program did not
execute
Offsets incorrect
Functions never enabled
SIMATIC 505–2556 Installation and Operation Guide
Corrective Action
Login to controller
Verify log-in
Debug ladder program.
Verify V-memory tables.
Calculate offsets starting
address
Edit ladder program to
enable function after
loading data