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Service Manual
Third edition, June 1997
• Sweep err LCM 1 or 2. This is an indication that the
LCM is not measuring normally. The sweep counter on
the LCM is supervised. If there is no change in 10 sec-
onds this box becomes checked. See also chapter 3.14. A
message will be displayed “Level Unit restarted”.
The Active LCM box shows which LCM that is being used.
In case there are two LCMs configured in the redundancy
mode, this box indicates which of the LCMs that is in use.
The LCI status box shows the status of the LCI:
• Sys fail. The Sys fail causes a Level Unit sys fail alarm.
It can be caused by:
- LI power failure,
- LI communication failure,
- No active LCM,
- Error status set in LCM Status-window, see chapter
3.14.
The LCI mem status shows the result of memory checks on
the LCI. Both boot and flash memories are continuously
supervised.
• LCI RAM error. Indicates memory failure of the RAM.
• LCI boot error. Indicates memory failure for the boot
program.
• LCI flash error. Indicates memory failure for the flash
program.
• LCI DB error. Indicates an error in the database.
• Default DB loaded. If the checksum of the database is
incorrect at startup, this box is checked. The box will be
checked until the next time the LCI (or Level Unit) is
restarted or the database is changed.