ABB ACF5000 Manual page 119

ACF5000 FTIR ANALYZER SYSTEM | OI/ACF5000-EN REV. A 119
Unknown system module
If in the Set system module menu item, a system module has the status
Unknown, there are several possible causes:
Cause: After activating the power supply of the analyzer system, the system
module could not be found (status message no. 201).
Rectification: Restore system bus connection to the system module and
press RESTART softkey.
Cause: The system bus connection to the system module is interrupted
(status message no. 209).
Rectification: Restore system bus connection to the system module and
press RESTART softkey.
Cause: The serial number of the system module was wrongly entered.
Rectification: Press CHANGE softkey and correct serial number.
NOTICE
While system modules are being set, the automatic adjustment is not possi-
ble.