Chapter 7. TROUBLESHOOTING
7 - 1 Error Messages and Countermeasure
7-1
The error messages of the
EST
and the counter measures are as follows.
[CHx communications error]
An error has occurred in communications on CHx.
Probable causes are as follows:
1) The settings (node numbers, communication baud rate, communication
format, etc.) of the application program and of the connected equipment do
not match each other.
2) Incorrect connections, broken cables, noise.
3) Reading or Writing of such sorts that are prohibited in the connected
equipment.
(unreadable or unwritable address, writing of the values that exceed max. or
min. value, etc.)
[Too many smart objects used, Can NOT display correctly]
Reduce the number of smart objects used.
Press anywhere on the touch switches for 5sec to clear the error display.
[Display buffer memory full, Can NOT display correctly]
Reduce the number of trend graphs or variable length character string data.
Press anywhere on the touch switches for 5sec to clear the error display.
Handling Precautions
• In the following cases, check the “Application info.” in the system menu.
· Operation does not start, though it is in "Auto Run Mode".
· Operation does not start after pushing the [Start application] button.
If there is any incorrect application data, [Apli data not found.] is
displayed. Then, download the application data again.
• If there is any system error during operation, the initial screen, which is
normally shown only at the first startup, may appear. Should this
happen, please contact us.
• There is no battery alarm indication. If the battery alarm indication is
necessary, it can be displayed by the application program. Be sure to
replace the battery before the expiration.