User's Manual

Diagnosing and troubleshooting
10.3 General fault codes
SITRANS LR250 (HART)
176 Operating Instructions, 01/2014, A5E32220602-AB
Code/
Icon
Meaning
Corrective Action
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.
S: 45 * No valid boot program detected: firmware
corrupt
Repair required: contact your local Siemens
representative.
S: 48 * User configuration is invalid. One or more of
parameters: Low Calibration Point, High
Calibration Point, Volume breakpoints, and/or
Auto False-Echo Suppression, are set to
invalid values.
• Reconfigure the unit.
• Ensure the difference between High Calibration Point
and Low Calibration Point is not less than or equal to
zero; do a Master Reset.
S: 49 * EEPROM corrupt. Repair required: contact your local Siemens
representative.
S: 50 * EEPROM corrupt. Repair required: contact your local Siemens
representative.
S: 51 * EEPROM corrupt. Repair required: contact your local Siemens
representative.