ID/
Icons
Diagnostic Action Comment
185 CH2 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
186 CH3 Input current too low. Check wiring and signal of
connected sensor or output source to input
channel
If Operation mode is config‐
ured to Current input
187 CH3 Input current too high. Check wiring and signal
of connected sensor or output source to input
channel
If Operation mode is config‐
ured to Current input
188 CH3 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
189 CH4 Input current too low. Check wiring and signal of
connected sensor or output source to input
channel
If Operation mode is config‐
ured to Current input
190 CH4 Input current too high. Check wiring and signal
of connected sensor or output source to input
channel
If Operation mode is config‐
ured to Current input
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 proc‐
ess conditions or align limit to normal operation.
Adjust channel 2 parameter 'Lower range value'
If Operation mode is config‐
ured to Current output
196 CH2 Loop current in upper saturation. Check proc‐
ess conditions or align limit to normal operation.
Adjust channel 2 parameter 'Upper range value'
If Operation mode is config‐
ured to Current output
Diagnostics and troubleshooting
9.8 Fault codes and corrective actions
SITRANS FST030 (Modbus)
112 Operating Instructions, 08/2018, A5E37367739-AD
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