Operating Instructions

Table Of Contents
Code/
Icon
Meaning Corrective Action
S: 12 Internal temperature of device has exceeded
specifications: it is operating outside its temper‐
ature 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 SIMATIC PDM or the LCD interface.
S: 17 Calibration interval as defined in Maintenance
Required Limit has expired.
Perform calibration.
S: 18 Calibration interval as defined in Maintenance
Demanded Limit has expired.
Perform calibration.
S: 28 * Internal device failure caused by a RAM memo‐
ry 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
S: 35 * Factory calibration for the device has been lost. Repair required: contact your local Siemens representative
S: 36 * Unable to start microwave module. Cycle power. If fault persists, contact your local Siemens
representative.
S: 37 * Measurement hardware problem. Cycle power. If fault persists, contact your local Siemens
representative.
S: 38 * Failure in the device electronics. Cycle power. If fault persists, contact your local Siemens
representative: repair required.
S: 43 * Factory calibration for the radar receiver has
been lost.
Repair required: contact your local Siemens representative.
Diagnosing and troubleshooting
10.3 General fault codes
SITRANS LR260 with mA/HART
122 Operating Instructions, 11/2019, A5E32337683-AD