Diagnosing and troubleshooting
9.4 Fault codes and corrective actions
SITRANS F Ultrasonic flowmeters FST030 (HART)
106 Operating Instructions, 08/2017, A5E35971532-AC
248
Rate of change Value above alarm limit. Check process condi-
tions or align limit to normal operation. Adjust
parameter "Upper alarm limit"
Only hydrocarbon
249
Rate of change Value above warning limit. Check process
conditions or align limit to normal operation.
Adjust parameter "Upper warning limit"
Only hydrocarbon
252
Standard kinematic viscosity Value above alarm limit. Check process condi-
tions or align limit to normal operation. Adjust
parameter "Upper alarm limit"
Only hydrocarbon
253
Standard kinematic viscosity Value above warning limit. Check process
conditions or align limit to normal operation.
Adjust parameter "Upper warning limit"
Only hydrocarbon
254
Standard kinematic viscosity Value below warning limit. Check process
conditions or align limit to normal operation.
Adjust parameter "Lower warning limit"
Only hydrocarbon
255
Standard kinematic viscosity Value below alarm limit. Check process condi-
tions or align limit to normal operation. Adjust
parameter "Lower alarm limit"
Only hydrocarbon
256
Standard density Value above alarm limit. Check process condi-
tions or align limit to normal operation. Adjust
parameter "Upper alarm limit"
Only hydrocarbon
257
Standard density Value above warning limit. Check process
conditions or align limit to normal operation.
Adjust parameter "Upper warning limit"
Only hydrocarbon
258
Standard density Value below warning limit. Check process
conditions or align limit to normal operation.
Adjust parameter "Lower warning limit"
Only hydrocarbon