Controlli MVH56EA Manual page 5

DIAGNOSTIC - ALARM FUNCTIONS
LED
N°
behaviour
valve stroke
1 RED ON
Stroke longer
2 RED ON
than 60mm
Unexpected
RED Quick Blinking stall within the
3
+ GREEN ON
stroke range
RED Quick Blinking
4 longer than
+ GREEN ON
5 RED slow Blinking
High Power
6 RED slow Blinking
Error Actuator use
Calibration/
less than
first installation
5mm
Calibration/
first installation
normal
calibrated operation
Stroke
normal
operation
expected
Low Power normal
Voltage operation
normal
Voltage operation
1 Issue
st
Actuator Behaviour
Automatic Calibration Manual Calibration
DIP N. 7 OFF
The actuator
pushes/pulls 5 times
(unexpected stall)
pushes/pulls 2 times
trying to remove the
against endpoint
possible obstacle.
during calibration.
After 5 tries an alarm
Alarm is signalled
is signalled (RED LED
(RED LED ON) and
ON) and the actuator
the actuator moves
moves to initial
to the initial position
position and does not
and then it does
respond to control
not respond to the
signal. Stroke value is
not updated because
out of range
pushes/pulls 2 times
The actuator exits the
against endpoint
60 mm stroke range
during calibration.
and it moves toward
Alarm is signalled
the new stroke limit
(RED LED ON) and
signalling an anomaly
the actuator moves
(RED LED ON). The
to the initial position
actuator does not
and then it does
calibrate the stroke
not respond to the
The actuator tries
5 times against the
new stall condition.
The actuator tries 5 At the end of the
times against the new attempts the fault
stall condition and will be signalled
then after 10s the (RED LED ON). The
actuator updates the actuator does not
new stroke length; update the new
During these 10s RED stroke length, but
LED is ON after 60s makes
other attempts
to verify the stall
The actuator moves The actuator moves
toward the new stall toward the new
condition with a lower stall condition with
speed; after 10s the a lower speed; after
actuator updates the 10s the actuator
new stroke value; does not update
During these 10s RED the new stroke
LED is ON
The actuator is
The actuator is
still working but
still working but
performance cannot
be guaranteed
The actuator is
The actuator is
still working but
still working but
performance cannot
be guaranteed
05/2017
Typical trouble
shooting condition
DIP N. 7 ON
The actuator
Valve with a
stroke length
lower than 5mm
control signal
The actuator
Valve with a
stroke length
longer than 60mm
control signal
Valve stuck
condition
stem connection
loose or valve
damaged
value
1. Wrong
transformer size
performance
cannot be
guaranteed
2. Unstable power
1. Wrong
transformer size
performance
cannot be
guaranteed
2. Unstable power
DBL465e
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 5