Operation Troubleshooting - Siemens SITRANS LR560 Operating Instructions Manual

General Fault Codes (Continued)
Code /
Meaning
Icon
S:95 to
Device error.
S:97
NOTE: Fault text and icons appear only on
LCD.
S:98 to
Device error.
S:108
NOTE: Fault text and icons appear only on
LCD.
S:109 to
Device error.
S:112
NOTE: Fault text and icons appear only on
LCD.

Operation Troubleshooting

Operating symptoms, probable causes, and resolutions.
Symptom
Display shows
S: 0 LOE
Display shows
S: 0 LOE
Display shows
S: 0 LOE
Display shows
S: 0 LOE
Reading does not
change, but the level
does
Measurement is consis-
tently off by a constant
amount
Page 128 SITRANS LR560 (mA/HART) – OPERATING INSTRUCTIONS
Operation Troubleshooting
Cause
level or target is out of range
material build-up on antenna
location or aiming:
• poor installation
• Auto False Echo Suppres-
sion may be incorrectly
applied
antenna malfunction:
• temperature too high
• physical damage
SITRANS LR560 processing
wrong echo, for example, ves-
sel wall, or structural member
• setting for Low Calibration
Pt. (2.3.1.) not correct
• setting for Sensor Offset
(2.3.3.) not correct
Corrective Action
Repair required. Contact your local
Siemens representative.
Repair required. Contact your local
Siemens representative.
Repair required. Contact your local
Siemens representative.
Action
• check specifications
• check Low Calibration Pt. (2.3.1.)
• increase Confidence (2.7.6.1.)
• Use the air purge feature to clean the
antenna.
• re-locate SITRANS LR560
• ensure antenna has clear view of mate-
rial to be measured
• review "Shaper Mode (2.8.4.)" on
page 137
• ensure Auto False Echo Suppression
Range is set correctly
• Check for physical damage and replace
sensor if required.
• re-locate SITRANS LR560
• check nozzle for internal burrs or welds
• use Shaper Mode (2.8.4.) if necessary:
see "Shaper Mode (2.8.4.)" on page 137
• check distance from sensor reference
point to Low Calibration Pt. (2.3.1.)
• check Sensor Offset (2.3.3.)
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