cvs 2400 series smart positioner product description - CVS Controls

Error / Warning Code
Code Description and Cause Measures
A None None
B The range of Pv Span - Pv Zero is less
than 500.
> Operating angle of feedback is too
small.
C More than 10% error is continued over
1 minute.
> There is no valve movement.
> Valve friction is getting larger.
> Regulator pressure setting has
changed.
D I value is at 1 max. or min. limit.
> Valve friction has changed
> Regulator pressure setting has
changed.
25
CVS Controls Ltd.
Product Manual: YT-2400 Smart Positioner
>Adjust operating angle of feedback
lever to be bigger and execute AUTO 1
Calibration.
> Check the setting pressure of the air
filter regulator. Adjust it to the
recommended pressure, and execute
BIAS calibration.
> Check the setting pressure of the air
filter regulator. Adjust it to the
recommended pressure, and execute
BIAS calibration.
E None None
F Full open - close time is less than one
second.
> Actuator size is too small.
G Pv is set below 100.
>Operating angle of the feedback lever
is too large.
H Pv is over 4000.
> Operating angle of the feedback lever
is too large.
> Use variable orifice.
> Replace actuator to larger one.
> Adjust operating angle of feedback
lever to be smaller, and execute AUTO
1 calibration.
> Adjust operating angle of feedback
lever to be smaller, and execute AUTO
1 calibration.
CVS Controls Ltd.
Process Management
And Instrumentation