Rectify Faults - Vega VEGAPULS WL S 61 Manual De Instrucciones

Code Reason
Text message
•
S601 Danger of ves-
sel overfilling
Overfilling
Maintenance
The following table shows the error codes and
text messages in the status message "Mainte-
nance" and provides information on causes as
well as corrective measures.
Code Reason
Text message
•
M500 With the reset
to delivery
Error with the
status, the
reset delivery
data could not
status
be restored
•
M501 Hardware error
EEPROM
Error in the
non-active linea-
rization table
•
M502 Hardware error
EEPROM
Error in the diag-
nosis memory
•
M503 The echo/
noise ratio is
Meas. reliability
too small for
too low
reliable mea-
surement
•
M504 Hardware
defect
Error on an de-
vice interface
•
M505 Level echo can
no longer be
No echo availa-
detected
ble
VEGAPULS WL S 61 • 4 ... 20 mA
8.4
Removal
Reaction when malfunction occurs
•
The operator of the system is responsible for
Make sure
that there is no
taking suitable measures to rectify faults.
further filling
•
Check level in
Procedure for fault rectification
the vessel
The first measures are:
•
•
•
Further comprehensive diagnostics options
are available with a PC with PACTware and the
Removal suitable DTM. In many cases, the reasons can
be determined in this way and faults rectified.
•
Repeat reset
Check the 4 ... 20 mA signal
•
Load XML file
Connect a multimeter in the suitable measuring
with sensor
range according to the wiring plan. The following
data into the
table describes possible errors in the current
sensor
signal and helps to eliminate them:
•
Send instru-
ment for repair
Error
4 ... 20 mA
signal not
•
Send instru-
stable
ment for repair
•
4 ... 20 mA
Check
signal mis-
installation
sing
and process
conditions
•
Clean the
antenna
•
Change
polarisation
direction
•
Check con-
nections
•
Send instru-
ment for repair
•
Clean the
antenna
•
Remove
Current sig-
possible false
nal greater
echoes
than 22 mA
•
Optimize sen-
or less than
sor position
3.6 mA
and orientation
Reaction after fault rectification
Depending on the reason for the fault and the
measures taken, the steps described in chapter
"Setup" must be carried out again or must be
8 Diagnosis, asset management and service

Rectify faults

Evaluation of fault messages via the adjust-
ment instrument
Checking the output signal
Treatment of measurement errors
Reason
•
Fluctu-
ations
of the
measured
variable
•
Electrical
connec-
tion faulty
•
Voltage
supply
missing
•
Operating
voltage
too low
or load
resistance
too high
•
Elect-
ronics
module in
the sensor
defective
Removal
•
Set damping approp-
riate to the instrument
via the display and
adjustment module or
PACTware/DTM
•
Check connection
according to chapter
"Connection steps" and
if necessary, correct
according to chapter
"Wiring plan"
•
Check cables for
breaks; repair if neces-
sary
•
Check, adapt if neces-
sary
•
Exchange the instru-
ment or send it in for
repair
33