ARAG 853 3 44 Series, Installation, Use And Maintenance Manual

Page: 17 / 50

17
GB
The valve does not
respond to commands
Off
-
No power supply.
• Check the connections and
the cables.
• Replace the cable; If the
problem persists, contact
your nearest Service Center.
Wrong wiring harness
connection. • Check the connections and
the cables.
Power supply voltage
lower than the minimum
value. • Make sure that the
harnesses are suitable for
the system.
Green steady on
-
Geared motor broken. • Replace the geared motor.
The CAN-BUS address
assigned to the valve is
wrong.
• Repeat the address
assignment procedure.
The sent commands are
wrong or have been sent
to the wrong address
• Check the commands sent
by the control device.
The connection between
valve and control device
is faulty or not suitable.
• Check connections.
• Make sure that the harness
structure complies with the
CAN-BUS 2.0 specifications.
• Check for the presence
and conditions of
terminating resistors.
Red blinking
3 No motor rotation signal. • Remove the motor and
make sure that the ball can
move freely; on the contrary,
perform valve maintenance
operations or contact your
nearest Service Center.
• Restart the valve .
8
Abnormal current
absorption detected.
4 and 16
Problem on motor
control circuit.
• Restart the valve; if the
problem persists, contact
your nearest Service Center.
The valve does not stop at
the preset point
Green steady on
-
The sent commands are
wrong or have been sent
to the wrong address.
• Check the commands sent
by the control device.
Red blinking
2
Angle sensor not
calibrated
• Restart the valve; if the
problem persists, contact
your nearest Service
Center.
5 Problem on angle sensor
6 Problem on angle sensor
7
Error in angle
measurement
13
The valve cannot reach
the requested position
(error greater than 1°)
The valve works correctly,
but the red LED blinks
Red blinking
12
Too a high temperature
has been detected
• Check the operating
conditions: under these
conditions the valve
could not have the
specifiedperformance.
14
Power supply voltage
too high
15
Power supply voltage
too low
Tab. 4