Smart valve positioner
SP740 Series
9.2 Warning code
Control is possible but it indicates when it can be happened abnormal operation or
precsion degree can be degraded.
▶
Reduce discharge air pressure
through the orifice .
▶
Replace with large actuator size .
▶
Re-execute auto calibration.
▶
Re-set air regulator setting
pressure to normal pressure.
▶
Check air pressure status.
over 3 minutes .
ERROR_07
▶
Indicates that PV is 1% and more
far from the deadzone or does not
move and the state lasts a minute
ERROR_06
▶
Indicates that SV and PV's tolerance
is over 5% and it continues
▶
Indicates that valve friction is
too large or input pressure is
too low.
▶
Check in the error of View Mode
Warning Code
Warning contents and cause
Action
ERROR_05
▶
Indicates that actuator size is
small.
▶
Indicates that FULL OPEN / FULL CLOSE
time is shorter than 0.8 second.
38/40
and longer .
▶
Check signal generator out put
and adjust it within the available
operation range.
* Check the error in VIEW MODE.
ERROR_07
far from the deadzone or does not
move and the state lasts a minute
ERROR_08
▶
Indicates that SV signal is
LOW / HIGH.
LOW : 300 M , HIGH : 4000 and more
38/40