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90
Service Manual
Third edition, June 1997
9.1.7 Warning message: Level Unit Memory Failure.
LCM Board faulty.
• Restart Level Unit and check Service-window LCM Status on Work
Station. If box “DF database loaded” is checked, memory in LCM
Board is not working and LCM Board needs to be replaced. See
chapter 3.14 and 5.6.1.
• In Service-window LCI Status, check LCM status, see chapter 3.15. If
LCM is faulty, replace LCM board.
9.1.8 Warning message: Level Unit Restarted.
This message is shown while the Level Unit is starting up after the power
has been switched off and on again or after it has been ordered to restart
after downloading software into the LCI or LCM.
• Wait a few minutes until the Level Unit has started up, then accept
the warning in the Warning Summary-window.
9.1.9 Warning message: Master Communication Failed.
Communication cables faulty to the master equipment (normally a load
calculator) connected to the I/O Box.
• Check cables between master and I/O Box.
Master is not turned on or power supply failing.
• Turn master on or check power supply, cables and fuses.
I/O Box failure.
• See chapter 9.1.5.
RS-232 board for master communication in I/O Box faulty.
• Try exchanging with another RS-232 board, either from the Complete
Spare Parts set or if another RS-232 board is used in the I/O Box. See
chapter 4.2.
9.1.10 Warning message: LevelDatic Communication Failed.
Communication cables faulty from the I/O Box to the LevelDatic
equipment.
• Check cables between LevelDatic and I/O Box.
LevelDatic is not turned on or power supply failing.
• Turn LevelDatic on or check power supply, cables and fuses.
I/O Box failure.
• See chapter 9.1.5.
Duplex setting on the RS-485 board is incorrect
• Check setting of jumpers on board, see chapter 4.3.
RS-485 board for LU communication in I/O Box faulty.
• Try exchanging with another RS-485 board, either from the Complete
Spare Parts set or from another serial channel in the I/O Box.
However, do not remove the RS-485 Board in location Com 4 as you
will loose the communication with the Level Unit. See chapter 4.3.