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Service Manual
Third edition, June 1997
3.16 Level Unit – LI Status
This window shows the individual status of up to four Trans-
mitter Interfaces (LI).
This window is useful when you are looking for a ground
failure. It is easy to detect which Transmitter Interface (LI)
that has ground failure. See also chapter 9.1.6 and 9.14.
The status boxes show:
• LI +15V fail and LI -15V fail show if there is any prob-
lem with the power supply to the LIs. If any of these are
checked, check the Power Block. See chapter 9.1.3.
• LI ground fail. This check box indicates which LI that is
causing a ground failure alarm.
• LI comfail. If there is any problem with the communi-
cation to the LI, this is shown in the LI comfail check
boxes.
The database shows:
• LI handler. The Database box shows which LI that is
connected to which LCM. 0 indicates that the LI is not
used. 1 indicates the it is connected to LCM 1 and 2
indicates that it is connected to LCM 2.