User`s manual

Chapter 6 - GP RUN and Errors
GP-477R/577R Series User's Manual 6-11
The error messages listed below appear on the GP unit. Instructions on how
to find and solve problems causing these error messages are explained on
the following pages.
• SYSTEM ERROR
• ILLEGAL ADDRESS IN SCREEN DATA
• UNSUPPORTED TAG IN SCREEN DATA
• PLC NOT CONNECTED (02:FF) and (02:F7)
• PLC NOT RESPONDING (02:FE)
• RECEIVE DATA ERROR (02:FD)
• GP STATION NO. DUPLICATION ERROR (02:F9)
• NETWORK ADDRESS ERROR (02:F8)
• PLC COM. ERROR
• SCREEN MEMORY DATA IS CORRUPT
• CLOCK SETUP ERROR
• SCREEN TRANSFER ERROR
• SCREEN TAG LIMIT EXCEEDED
• OBJ. PLC HAS NOT BEEN SETUP
6.4 Error Messages
This section explains the messages that appear when an error has occurred
in the GP unit during RUN mode. The origin of the problem behind each
error message is explained with appropriate ways of disposing of the error.
After a problem has been solved, unplug the GP's power cord and then
reattach it. (Only the latest error message will appear on the GP screen)
1. Error Message List