
Diagnosing and troubleshooting
9.4 Fault codes and corrective actions
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
106
Operating Instructions, 08/2017, A5E37367739-AC
ID/
Icons
Diagnostic
Action
Comment
222
Modbus
Invalid register mapping. Source register allo-
cated in duplicate. Check register mapping.
223
Modbus
Invalid coil configuration. Modbus coils are not
configured correctly. Check coil allocation.
228
Sound velocity
Value above alarm limit. Check process condi-
tions or align limit to normal operation. Adjust
parameter "Upper alarm limit"
229
Sound velocity
Value above warning limit. Check process
conditions or align limit to normal operation.
Adjust parameter "Upper warning limit"
230
Sound velocity
Value below warning limit. Check process
conditions or align limit to normal operation.
Adjust parameter "Lower warning limit"
231
Sound velocity
Value below alarm limit. Check process condi-
tions or align limit to normal operation. Adjust
parameter "Lower alarm limit"
232
Flow velocity
Value above alarm limit. Check process condi-
tions or align limit to normal operation. Adjust
parameter "Upper alarm limit"
233
Flow velocity
Value above warning limit. Check process
conditions or align limit to normal operation.
Adjust parameter "Upper warning limit"
234
Flow velocity
Value below warning limit. Check process
conditions or align limit to normal operation.
Adjust parameter "Lower warning limit"