User's Manual

Diagnosing and troubleshooting
10.2 General fault codes
SITRANS LR250 (FOUNDATION FIELDBUS)
Operating Instructions, 01/2014, A5E32221411-AB
191
Code/
Icon
Meaning
Corrective Action
S: 10 Input parameters
Low Calibration Point (2.3.7.1.)
and
High Calibration Point (2.3.7.2.)
are the
same.
• Check calibration settings of device.
• Ensure settings for High Calibration Point and Low
Calibration Point are different.
S: 11 Internal temperature sensor failure. Repair required: contact your local Siemens representative.
S: 12 Internal temperature of device has exceeded
specifications: it is operating outside its
temperature range.
• 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 AMS or the LCD interface.
S: 17
Calibration interval (4.5.1.)
has
expired and has triggered a
Maintenance
Required reminder (4.5.5.)
.
Perform calibration.
S: 18
Calibration interval (4.5.1.)
has
expired and has triggered a
Maintenance
Demanded reminder (4.5.6.)
.
Perform calibration.
S: 22 Time Base Fault Hardware problem: contact your local Siemens
representative.
S: 28 Internal device failure caused by a RAM memory
error.
Repair required: contact your local Siemens representative.
S: 29 EEPROM damaged. Repair required: contact your local Siemens representative
S: 31 Flash error. Repair required: contact your local Siemens representative
S: 33 Factory calibration for the internal temperature
sensor has been lost.
Repair required: contact your local Siemens representative
S: 34 Factory calibration for the device has been lost. Repair required: contact your local Siemens representative