SMC Networks IP6000 Series User Manual page 57

① Restrictors Y1
② Restrictors Y2，only for double-acting actuator.
9. Trouble shooting
Contents
LCD has no
display
There is no air
output in OUT1
or OUT2
(Without any
action）
Bad accuracy
(Linear and
hysteresis
phenomena)
Intelligent Valve Positioner IP6000 Series User's Manual
Figure 56. Air flow adjustment
Possible reasons
Error electrical connections.
No current output from current
source
The current source is out of
specified range
Others
The air supply
abnormal
No input current
Accessory pipe leakage
Others
The air supply pressure changes
The mounting bolts loose
The connection place between
the positioner and the actuator
has gap
Set-point value deviation
Check the electrical connections
Make sure that there is current output
from the current source.
Use the proper current source.
Consult with manufacturer.
pressure is Check the setting of the air pressure
reducing valve.
Make sure the input current is proper.
（4-20mA DC）
Check the pipe and connection to make
sure that there isn't any leakage.
Consult with manufacturer.
Check
abnormality of the air supply pressure
reducing valve
Make sure the mounting bolts are
tightened.
Check the connection.
Adjust the current output signal.
Calibrate the set-point signal.
①
②
Solutions
whether there is any
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