Troubleshooting 
 
FPΣ User's Manual 
268 
11.7  Password Protection Error Message 
If a protect error message appears, a password has been set. 
To access a PLC for which a password has been set, a login is required whenever the power 
is turned on.  
 
1.
2.
3.
Procedure
 
1. Online → Security Settings 
2.  Enter your password under "PLC Access" 
3. Choose [Login]