Siemens SITRANS LR250 Operating Instructions Manual page 176
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Diagnosing and troubleshooting
10.3 General fault codes
Code/
Meaning
Icon
S: 8
Service interval as defined in Reminder 1
(Required) (4.4.5.) has expired.
S: 9
Service interval as defined in Reminder 2
(Demanded) (4.4.6.) has expired.
S: 10
Input parameters Low Calibration Point (1.6.)
and High Calibration Point (1.7.) are the same.
S: 11
Internal temperature sensor failure.
S: 12
Internal temperature of device has exceeded
specifications: it is operating outside its
temperature range.
S: 14
Input Scaling (2.6.5.) Upper and lower values
for AIFB1 are the same.
S: 15
Input Scaling (2.6.5.) Upper and lower values
for AIFB2 are the same.
S: 17
Calibration interval as defined in Reminder 1
(Required) (4.5.5.) has expired.
S: 18
Calibration interval as defined in Reminder 2
(Demanded) (4.5.6.) has expired.
S: 28
*
Internal device failure caused by a RAM
memory error.
S: 29
*
EEPROM damaged.
174
Corrective Action
Perform service.
Perform service.
Check calibration settings of device.
•
Ensure settings for High Calibration Point and Low
•
Calibration Point are different.
Repair required: contact your local Siemens
representative.
Relocate device and/or lower process temperature
•
enough to cool device.
Inspect for heat-related damage and contact your
•
local Siemens representative if repair is required.
Fault code will persist until a manual reset is
•
performed using SIMATIC PDM or the LCD interface.
Check configuration for AIFB1.
•
Ensure that Upper Value and Lower Value (Input
•
Scaling) are not the same.
Check configuration for AIFB2.
•
Ensure that Upper Value and Lower Value (Input
•
Scaling) are not the same.
Perform calibration.
Perform calibration.
Repair required: contact your local Siemens
representative.
Repair required: contact your local Siemens
representative.
Operating Instructions, 08/2014, A5E32221386-AC
SITRANS LR250 (PROFIBUS PA)
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Troubleshooting
