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6
DIAGNOSTIC / ALARM FUNCTION
GB
DIAGNOSTIC / ALARM FUNCTION
N°
LED
ERROR
Calibrated
RED
stroke valve
1
ON
less than 5
mm
Stroke
RED
2
longer than
ON
30/60 mm
RED
Unexpected
quick *
stall
blinking
within the
3
+
calibrated
GREEN
stroke range
ON
RED
quick *
Stroke
blinking
4
longer than
+
expected
GREEN
ON
RED
Low Power
5
slow**
Voltage
blinking
RED
High Power
6
slow**
Voltage
blinking
* Quick = 2 flash / second
** Slow = 1 flash / second
LED´s are placed on circuit board and are only visible when actuator cover is removed.
18
WHEN
ACTUATOR BEHAVIOUR
Automatic Calibration SW7
OFF
The actuator pushes/
pulls 5 times (unexpected
stall) trying to remove the
possible obstacle. After
Calibration
5 tries alarm is signalled
/ first
(RED Led ON) and the
installation
actuator moves to initial
position. Doesn't respond to
control signal. Stroke value
is not updated beacuse out
of range
The actuator exits the
30/60 mm stroke range
Calibration
and moves toward the new
/ first
stroke limit signalling an
installation
anomaly (RED led on). The
actuator doesn't calibrate
the stroke
The actuator tries 5 times
against the new stall
Normal
condition. After 10 sec. the
operation
actuator updates the new
stroke lenght. During these
10 sec. RED led is ON
The actuator moves toward
the new stall condition with
a lower speed; after 10
Normal
sec. the actuator updates
operation
the new stroke value;
During these 10 sec. RED
led is ON
The actuator is still working
Normal
but performance cannot be
operation
guaranteed
The actuator is still working
Normal
but performance cannot be
operation
guaranteed
TYPICAL
TROUBLE
SHOOTING
CONDITION
Manual Calibration SW7 ON
The actuator pushes/pulls
2 times against endpoint
during calibration. Alarm
Valve with
is signalled (RED led On)
a stroke
and the actuator moves to
length lower
the initial position. Doesn't
than 5 mm
respond to the control
signal.
The actuator pushes/pulls
2 times against endpoint
Valve with
during calibration. Alarm
a stroke
is signalled (RED led On)
and the actuator moves to
longer than
the initial position and then
it doesn't reposnd to the
control signal.
The actuator tries 5 times
against the new stall
condition. After 10 sec. the
Valve stuck
actuator doesn't update the
new stroke lenght
The actuator moves toward
the new stall condition with
connection
a lower speed. After 10
sec. the actuator doesn't
update the new stroke value
damaged
1. Wrong
transformer
The actuator is still working
but performance cannot be
guaranteed
2. Unstable
1. Wrong
transformer
The actuator is still working
but performance cannot be
guaranteed
2. Unstable
RESET P
ROCEDURE
Remove
power and
power up
again
Remove
length
power and
power up
30/60
again
mm
Inverted
control signal
Stem
Inverted
loose
control signal
or valve
Correct
size
Voltage
Power
power
size
Correct
Voltage
Power
power
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