DIAGNOSTIC - ALARM FUNCTIONS
LEDs
N°
Error
behaviour
Valve stroke
1
RED ON
less than 5mm
RED quick
Stroke longer
blinking +
2
than 60mm
GREEN ON
Unexpected
RED Quick
stall within the
3
Blinking
calibrated
stroke range
RED Quick
Stroke longer
4
Blinking
than expected
RED slow
Low Power
5
Blinking
Voltage
RED slow
High Power
6
Blinking
Voltage
Actuator use
Automatic calibration
(DIP N. 7 OFF)
The actuator pushes/pulls 2
times (unexpected stall) trying
to remove the possible obstacle.
Calibration/first
After 2 tries an alarm is signalled
installation
and the actuator moves to initial
position and does not respond to
control signal. Stroke value is not
updated because out of range
The actuator exits the 60mm
stroke range and it moves toward
the new stroke limit signalling an
anomaly. The actuator pushes/
pulls 2 times against the new
Calibration/first
stroke limit, then it goes back to
installation
the initial position still signalling
the anomaly until it is not within
60mm. The actuator does not
calibrate the stroke after 10s
(wrong range)
The actuator tries 5 times against
normal
the new stall condition and then
operation
after 10s the actuator updates
the new stroke length
The actuator moves toward the
Normal
new stall condition with a lower
operation
speed; after 10s the actuator
updates the new stroke value
The actuator is still working
Normal
but performance cannot be
operation
guaranteed
The actuator is still working
Normal
but performance cannot be
operation
guaranteed
1
Issue rev. a
st
Actuator behaviour
Manual calibration
(DIP N. 7 ON)
The actuator pushes/pulls 2
times against endpoint during
calibration and the actuator
moves to the initial position and
then it does not respond to the
control signal. The actuator keeps
the previous stroke
The actuator exits the 60mm
stroke range and it moves toward
the new stroke limit signalling an
anomaly. The actuator pushes/
pulls 2 times against the new
stroke limit, then it goes back to
the initial position still signalling the
anomaly until it is not within 60mm.
The actuator does not calibrate
the stroke after 10s (wrong range)
The actuator tries 5 times against
the new stall condition. At the end
of the attempts the fault will be
signalled. The actuator does not
update the new stroke length, but
after 60s makes other attempts to
verify the stall condition
The actuator moves toward the
new stall condition with a lower
speed; after 10s the actuator does
not update the new stroke value
The actuator is still working
but performance cannot be
guaranteed
The actuator is still working
but performance cannot be
guaranteed
04/2016
Typical trouble
shooting condition
Valve with a stroke
length lower than
5mm
Valve with a stroke
length longer than
60mm
Valve stuck
Stem connection
loose or valve
damaged
1. Wrong transformer
size
2. Unstable power
1. Wrong transformer
size
2. Unstable power
DBL483e
Reset
procedure
Remove
power and
power up
again
Remove
power and
power up
again
Inverted
control signal
Inverted
control signal
Correct
Voltage Power
Correct
Voltage Power
Page 6
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