Siemens SITRANS LUT400 Series - Page 547

Page 234 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS A5E33329501
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Troubleshooting
44
Device is nearing its lifetime limit
according to the value set in Main-
tenance Demanded Limit.
Replacement is recommended.
5
Saving Parameters.
(LUI fault only.)
Saving is in progress. Do not turn off
the device.
Wait for completion.
66
Sensor is nearing its lifetime limit
according to the value set in Main-
tenance Required Limit.
Replacement is recommended.
77
Sensor is nearing its lifetime limit
according to the value set in Main-
tenance Demanded Limit.
Replacement is recommended.
88
Service interval as defined in Main-
tenance Required Limit has expired.
Perform service.
99
Service interval as defined in Main-
tenance Demanded Limit has
expired.
Perform service.
10
10
Configuration parameters are incor-
rect. The following conditions will
cause this fault:
• Far Range < Low Cal. Pt.
• Near Range > Far Range
• Low Cal. Pt - High Cal. Pt. < 10 cm
• Far Range - Near Range < 10 cm
• Max. mA Limit
≤ Min. mA Limit
• Current Output Function set to
Volume , but Vessel Shape set to
None
• Current Output Function set to
Volume , but Max. Volume has not
been set.
Check device configuration.
17 17
Calibration interval as defined in
Maintenance Required Limit has
expired.
Perform calibration.
18 18
Calibration interval as defined in
Maintenance Demanded Limit has
expired.
Perform calibration.
25 25
Internal device error.
Reset power. If fault persists, contact
your local Siemens representative.
General Fault Codes
(Continued)
Code /
LUI
Icon
Code /
PDM
Icon
Meaning Corrective Action
(red)