24 LST300 |  COMPACT ULTRASONIC LEVEL TRANSMITTER  |  LST300–EN REV. E
2  Press   or   to select the “Diagnostics” submenu.
3  Press   to confirm your selection
The first line indicates where the error has occurred.
The second line shows the unique error number.
The next lines show a brief description of the error and its 
remedy information.
IMPORTANT (NOTE)
Refer to chapter 7 “Diagnostic Messages” for a detailed 
description of the errors and remedy information.
Switching to the configuration level parameterization
The device parameters can be displayed and changed on the 
configuration level.
1  Press 
 to switch to the information level.
2  Press   or   to select an access level.
3  Press   to confirm your selection
IMPORTANT (NOTE)
There are four access levels as follows:
•  At the “Read Only” level all entries are disabled. Parameters 
are read only and cannot be modified.
•  At the “Standard” level you can edit all parameters except for 
those written in italics.
•  At the “Advanced” level all parameters can be modified.
•  The Service menu is reserved to the customer service.
Passwords can be defined for the “Standard” and “Advanced” 
levels. There are no factory default passwords.
Password can be edited or reset once you have logged on to the 
corresponding access level. To reset to the “No password 
defined” state, select “-” as the password.
4  Enter the corresponding password (see section “Selecting 
and changing parameters”). 
Note
There is no factory default password. You can switch to the 
configurationlevel without entering a password. 
Note
The selected access level remains active for 3 minutes. Within 
this time period, you can toggle between the process display 
and the configuration levelwithout re-entering the password.
5  Press   to switch to the information level. The LCD display 
now indicates the firstmenu item at the configuration level
6  Press 
 or   to select a menu.
7  Press 
 to confirm your selection
Selecting and changing parameters
Selecting a parameter value
1  Select the parameter you want to set in the menu.
2  Press   to see the list of available parameter values. The 
parameter value that is currently set is highlighted.