EB 8384-3 EN 9-1
Malfunctions
9 Malfunctions
Malfunctions are indicated on the display
by error codes. Annex A lists possible error
messages and recommended action.
The error codes appear on the display corre-
spondingtotheirstatusclassicationsetover
thecondensedstate(Maintenancerequired/
Maintenance demanded: ,Outofspeci-
cation: blinking, Maintenance alarm: ).
If 'No message' is assigned to the error code
asthestatusclassication,theerrorisnotin-
cluded in the condensed state.
Astatusclassicationisassignedtoevery
error code in the default setting. The assign-
mentofthestatusclassicationcanbe
changedinTROVIS-VIEWandoverthepa-
rameters of the DD. Refer to the Operating
Instructions for the valve diagnostics
uEB8389 for more details.
Toprovideabetteroverview,theclassied
messages are summarized in a condensed
state for the positioner according to the
NAMURRecommendationNE107.Thesta-
tus messages are divided into the following
categories:
− Maintenance alarm
The positioner cannot perform its control
task due to a malfunction in the position-
er itself or in one of its peripherals or the
positioner has not yet been successfully
initialized.
− Maintenance required
The positioner still performs its control
task (with restrictions). A maintenance
demand or above average wear has
been determined. The wear tolerance will
soon be exhausted or is reducing at a
faster rate than expected. Maintenance is
necessary in the medium term.
− Maintenance demanded
The positioner still performs its control
task (with restrictions). A maintenance
demand or above average wear has
been determined. The wear tolerance will
soon be exhausted or is reducing at a
faster rate than expected. Maintenance is
necessary in the short term.
− Out of specication
The device is running outside the speci-
edoperatingconditions..
Ifaneventisclassiedas“Nomessage”,this
event does not have any affect on the con-
densed state.
Table 9-1: Condensed state reading
Condensed state Positioner display
Maintenance alarm
Function check
Text e.g. TUNE or
TEST
Maintenancerequired/
maintenance demanded
Outofspecication
blinking
The message with the highest priority deter-
mines the condensed state in the positioner.