Diagnosing and troubleshooting
9.4 Fault codes and corrective actions
SITRANS F Ultrasonic flowmeters FST030 (HART)
Operating Instructions, 08/2017, A5E35971532-AC
101
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
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