Siemens SIMATIC S5 Manual page 340

Troubleshooting
Error Code
Recovery Procedures
FA1 Watch-Dog
FA2 Watch-Dog
FA3 Error at block start
FA4 Sub-program DB-No too large
The DB number must lie in the range from 1 to 255.
FA5 G-function prohibited
FA6 Loop only as outer loop
FA7 Nesting depth exceeded
FA8 Wrong X-function
FA9 Wrong F-function
FAA Stroke too long (traversing path too long)
FAB Machining speed too high (traversing speed too high)
FAC Error at block end
FAD End of program precedes end of loop
FAE Block not permitted after flying change
FB0 Machining program erroneous (error in traversing program)
FB1 Machining (traversing) program already exists! Change Prog-No?
10-14
IP 266
Cross-
Reference
Section 5.3.18
Section 5.3.18
Section 5.5.4
Section 5.4.2
Section 5.4.2
Section 5.4.2
Section 5.4.2
Section 5.4.2
Section 5.4
EWA 4NEB 812 6057-02