Diagnosing and troubleshooting
9.4 Fault codes and corrective actions
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
103
ID/
Icons
Diagnostic
Action
Comment
191
CH4
External failure. Connected sensor or output to
input channel is out of operation range. Please
check connected sensor or output source.
If Operation mode is config-
ured to Current input
195
CH2
Loop current in lower saturation. Check pro-
cess conditions or align limit to normal opera-
tion. Adjust channel 2 parameter 'Lower range
value'
If Operation mode is config-
ured to Current output
196
CH2
Loop current in upper saturation. Check pro-
cess conditions or align limit to normal opera-
tion. Adjust channel 2 parameter 'Upper range
value'
If Operation mode is config-
ured to Current output
197
CH2
Cable break. Check channel 2 current output
cable connection.
If Operation mode is config-
ured to Current output
198
CH2
Frequency too low. Check process conditions
or align limit to normal operation. Adjust chan-
nel 2 parameter 'Lower range value'
If Operation mode is config-
ured to Frequency output
199
CH2
Frequency too high. Check process conditions
or align limit to normal operation. Adjust chan-
nel 2 parameter 'Upper range value'
If Operation mode is config-
ured to Frequency output
200
CH2
Pulse overflow. Pulse output insufficient pulse
separation. Reduce pulses per amount, or
reduce pulse width, or increase amount
If Operation mode is config-
ured to Pulse output
201
CH3
Loop current in lower saturation. Check pro-
cess conditions or align limit to normal opera-
tion. Adjust channel 3 parameter 'Lower range
value'
If Operation mode is config-
ured to Current output
202
CH3
Loop current in upper saturation. Check pro-
cess conditions or align limit to normal opera-
tion. Adjust channel 3 parameter 'Upper range
value'
If Operation mode is config-
ured to Current output