Siemens SITRANS LG250 Operating Instructions Manual page 63
Guided wave radar
4...20 ma/hart - two-wire
rod and cable probe
with sil qualification
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Also See for SITRANS LG250:
- Operating instructions manual (92 pages) ,
- Operating instructions manual (76 pages) ,
- Operating instructions manual (84 pages)
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Failure
PBD-51041388
"Device status" in the indicating and adjustment module as well as in
the DTM and EDD.
The following table shows the error codes in the status message
"Failure" and gives information on the reason and rectification. Keep
in mind that some information is only valid with four-wire instruments.
Code
Cause
Text mes-
sage
F013
– Sensor does not detect an
echo during operation
no measured
– Process component or
value avail-
probe contaminated or
able
defective
F017
– Adjustment not within
specification
Adjustment
span too small
F025
– Index markers are not con-
tinuously rising, for example
Error in the
illogical value pairs
linearization
table
F036
– Failed or interrupted soft-
ware update
No operable
software
F040
– Hardware defect
Error in the
electronics
F041
– Cable probe broken or rod
probe defective
Probe loss
F080
– General software error
General soft-
ware error
F105
– The instrument is still in the
start phase, the measured
Measured
value could not yet be
value is deter-
determined
mined
F113
– EMC interference
– Transmission error with the
Communica-
external communication
tion error
with 4-wire power supply
unit
F125
– Temperature of the elec-
tronics in the non-specified
Impermissi-
range
ble electronics
temperature
SITRANS LG250 - Operating Instructions
Rectification
– Check or correct installation
and/or parameter adjust-
ment
– Clean or exchange process
component or probe
– Change adjustment accord-
ing to the limit values (dif-
ference between min. and
max. ≥ 10 mm)
– Check values of the lineari-
zation table
– Delete/create a new lineari-
zation table
– Repeat software update
– Check electronics version
– Exchanging the electronics
– Send instrument for repair
– Exchanging the electronics
– Send instrument for repair
– Check probe and exchange,
if necessary
– Disconnect operating volt-
age briefly
– Wait for the end of the
switch-on phase
– Duration depending on
the version and parameter
adjustment max. 5 min.
– Remove EMC influences
– Exchange 4-wire power
supply unit or electronics
– Check ambient temperature
– Isolate electronics
– Use instrument with higher
temperature range
63
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