Controlli MVH56E Instructions Manual page 5

DIAGNOSTIC - ALARM FUNCTIONS
LED
N°
behaviour
1 RED ON
2 RED ON
Unexpected
RED Quick Blinking +
3
GREEN ON
stroke range
RED Quick Blinking +
4
GREEN ON
5 RED slow Blinking
6 RED slow Blinking
Error Actuator use
valve stroke
Calibration/
less than
first installation
5mm
Stroke
Calibration/
longer than
first installation
60mm
stall
normal
within the
operation
calibrated
Stroke
normal
longer than
operation
expected
Low Power normal
Voltage operation
High Power normal
Voltage operation
1 Issue
st
Actuator Behaviour
Automatic Calibration
DIP N. 7 OFF
The actuator
pushes/pulls 5 times
(unexpected stall) trying
to remove the possible
obstacle. After 5 tries
an alarm is signalled
(RED LED ON) and the
ON) and the actuator
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 60
mm stroke range and it
moves toward the new
stroke limit signalling an
ON) and the actuator
anomaly (RED LED ON).
The actuator does not
calibrate the stroke
The actuator tries 5
times against the new
attempts the fault will
stall condition and then
be signalled (RED LED
after 10s the actuator
updates the new stroke
length; During these 10s
new stroke length, but
RED LED is ON
after 60s makes other
attempts to verify the
The actuator moves
toward the new stall
condition with a lower
condition with a lower
speed; after 10s the
actuator updates the
new stroke value;
update the new stroke
During these 10s RED LED
is ON
The actuator is
still working but
performance cannot be
guaranteed
The actuator is
still working but
performance cannot be
guaranteed
05/2017
Typical trouble
shooting
condition
Manual Calibration
DIP N. 7 ON
The actuator pushes/
pulls 2 times against
endpoint during
calibration. Alarm is Valve with a
signalled (RED LED stroke length
lower than
moves to the initial
position and then it
does not respond to
the control signal
The actuator pushes/
pulls 2 times against
endpoint during
calibration. Alarm is Valve with a
signalled (RED LED stroke length
longer than
moves to the initial
position and then it
does not respond to
the control signal
The actuator tries
5 times against the
new stall condition.
At the end of the
Valve stuck
ON). The actuator
does not update the
stall condition
The actuator moves
toward the new stall
connection
speed; after 10s the
loose or valve
actuator does not
damaged
value
1. Wrong
The actuator is
transformer
still working but
performance cannot
be guaranteed
2. Unstable
1. Wrong
The actuator is transformer
still working but
performance cannot
be guaranteed
2. Unstable
DBL466e
Reset
procedure
Remove
power and
power up
5mm again
Remove
power and
power up
60mm again
Inverted
control
signal
stem
Inverted
control
signal
Correct
size
Voltage
Power
power
Correct
size
Voltage
Power
power
Page 5