Operation Troubleshooting - Siemens SITRANS LR560 Operating Instructions Manual

Foundation fieldbus radar level transmitter
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Code
Meaning
/Icon
S:94 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.

Operation Troubleshooting

Operating symptoms, probable causes, and resolutions (continued on next page).
Symptom
Display shows
S: 0 LOE
Display shows
S: 0 LOE
Display shows
S: 0 LOE
Display shows
S: 0 LOE
Page 134
SITRANS LR560 (FF)– INSTRUCTION MANUAL
General Fault Codes (cont' d )
Operation Troubleshooting
Cause
Level or target is out of
range
Material build-up on
antenna
Location or aiming:
• poor installation
• flange not level
• Auto False Echo
Suppression may be
incorrectly applied
Antenna malfunction:
• temperature too high
• physical damage
Corrective Action
Repair required. Contact your local
Siemens representative.
Repair required. Contact your local
Siemens representative.
Action
• check specifications
• check Low Calibration Point (2.3.5.1.)
• use the air purge feature to clean the
antenna
• re-locate SITRANS LR560
• check to ensure nozzle is vertical
• ensure end of antenna protrudes
from end of nozzle
• review Auto False Echo Suppression
(2.4.8. 1 .) on page 100
• ensure Auto Suppression Range is
set correctly
• check temperature in Maximum
Value (3.4.2.)
• relocate
7ML19985LY01

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