CONFLOW UNIWORLD Series - Ams Type Operating Anomalies - Actuator List of Errors

UNIWORLD Series M/UNIWORLD-M/E ed. 01 2020
WWW.CONFLOW.IT Page 28
4.2 – “AMS” TYPE OPERATING ANOMALIES - ACTUATOR LIST OF ERRORS
Red LED
Green LED
Fixed on
Fast flashing
Slow flashing
Off
Fixed on
Fast flashing
Slow flashing
Off
Status
Possible causes
Possible solutions
X
X
The actuator won’t respond, both LEDS
are off
1) No power supply applied
2) The voltage does not
correspond to the power
supply
of the actuator on the tag plate
1) Check
main power supply
2) Apply the correct
voltage
X
X
The actuator does not complete the
stroke
1) The actuator was not
correctly commissioned
2) Stroke programmed
too small (in mode: “limitation for
stroke”)
1) Repeat commissioning
2) Check parameters of valve
stroke -> see AMS-PSCS
instructions
X
X
The actuator does not close the valve
correctly
1) The actuator was not
correctly commissioned
2) The actuator
force/torque too low
1) Repeat commissioning
2) Check actuator selection
X
X
The actuator is working, but does not
respond to the control signal variation
1) The fixed digital signal is on
2) The actuator is configured to
work with a
process controller
1) Check setting of the control
signal -> see AMS-PSCS
instructions
2) Check the process
sensor
X
X
The position of the actuator does
not correspond to input values
A non-linear curve was
configured
Check characteristics configured
-> see
AMS-PSCS instructions
Working conditions
Possible causes
Possible solutions
X
X
Normal operating
conditions
X
X
The actuator is in
commissioning mode
Commissioning mode will be
abandoned after completion
X
X
The actuator is not commissioned
based on the type of limitation
(opening/closure).
The actuator is commissioned in
automatic or manual mode