7 Description of Instrument Functions Levelflex M FMP40 and FMP45
52 Endress+Hauser
7.7 Function group "diagnostics"
In the "diagnostics" function group, you can display and confirm error messages.
Type of error
Errors that occur during commissioning or measuring are displayed immediately on the local dis-
play. If two or more system or process errors occur, the error with the highest priority is the one
shown on the display.
The measuring system distinguishes between two types of error:
• A (Alarm):
Instrument goes into a defined state (e.g. MAX)
Indicated by a constant symbol.
(For a description of the codes see system error messages)
• W (Warning):
Instrument continue measuring, error message is displayed.
Indicated by a flashing symbol.
(For a description of the codes, see system error messages)
• E (Alarm / Warning):
Configurable (e.g. loss of echo, level within the safety distance)
Indicated by a constant/flashing symbol.
(For a description of the codes, see system error messages)
Error messages
Error messages appear as four lines of plain text on the display. In addition, a unique error code is
also output. A description of the error codes is given by system error messages.
•The "diagnostics" function group can display current errors as well as the last errors that occur-
red.
• If several current errors occur, use
O
or
S
to page through the error messages.
The last occurring error can be deleted in the "diagnostics" function group with the function "clear
last error".
7.7.1 Function "present error"
The present error is shown using this function.
7.7.2 Function "previous error"
The last error presented is shown with this function.
7.7.3 Function "clear last error"
Selection:
•keep
•erase
7.7.4 Function "reset"
"
Caution!
Generally, no reset is necessary.