Siemens SITRANS L Operating Instructions Manual page 173

Code/ Meaning
Icon
S: 11 Internal temperature sensor failure.
S: 12 Internal temperature of device has exceeded
specifications: it is operating outside its tempera-
ture range.
Calibration interval (4.5.1.) has
S: 17
expired and has triggered a Maintenance
Required reminder (4.5.5.).
Calibration interval (4.5.1.) has
S: 18
expired and has triggered a Maintenance
Demanded reminder (4.5.6.).
S: 22 Time Base Fault
S: 28 Internal device failure caused by a RAM memory
error.
S: 29 EEPROM damaged.
S: 31 Flash error.
S: 33 Factory calibration for the internal temperature
sensor has been lost.
S: 34 Factory calibration for the device has been lost.
S: 35 Factory calibration for the device has been lost.
S: 36 Unable to start microwave module.
SITRANS LR250 with FOUNDATION FIELDBUS
Operating Instructions, 09/2021, A5E32221411-AH
Corrective Action
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 AMS or the LCD interface.
Perform calibration.
Perform calibration.
Hardware problem: contact your local Siemens representa-
tive.
Repair required: contact your local Siemens representative.
Repair required: contact your local Siemens representative
Repair required: contact your local Siemens representative
Repair required: contact your local Siemens representative
Repair required: contact your local Siemens representative
Repair required: contact your local Siemens representative
Repair required: contact your local Siemens representative
Diagnosing and troubleshooting
10.2 General fault codes
173