ARAG 863T Series, Инструкция по установке, эксплуатации и обслуживанию

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11 TROUBLESHOOTING
11.1 SERIES 863T - 873T
PROBLEM CAUSE SOLUTION
The valve leaks or the
seal is not enough
Presence of foreign bodies • Make sure there are no foreign bodies; if so, remove them.
Plug seals are worn out • Replace the plug pin.
The valve does not
work
Lack of power
• Check the connections and the cables. Replace the cable. If the problem
persists, contact your nearest Service Center.
The harnesses are not
connected correctly
• Check the connections and the cables.
Power supply voltage is lower
than the minimum value
• Make sure that the harnesses are suitable for the system
Overvoltage
• The valve features an internal protection which, in case of overvoltages,
automatically stops the operation: reset the valve by cutting the power off
for about 20 seconds.
Geared motor broken • Replace the geared motor.
The valve does not
stop at the preset point Geared motor broken
• Replace the geared motor.
11.2 SERIES 863T - 873T CANBUS
PROBLEM LED STATUS NUMBER OF
BLINKS
CAUSE SOLUTION
The valve leaks or the
seal is not enough
- -
Presence of foreign bodies.
• Make sure there are no foreign bodies;
if so, remove them.
Plug seals are worn out • Replace the plug pin.
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
8 and 9
Abnormal current absorption
detected
• Remove the motor and make sure
that the shaft can move freely; on the
contrary, perform valve maintenance
operations or contact your nearest
Service Center.
• Restart the valve.
4 Problem on motor control circuit
• Restart the valve; if the problem
persists, contact your nearest Service
Center.
14
Hardware version not
supported
• Contact the nearest Service Center.
The valve works
correctly, but the red
LED blinks
Red blinking
11 Power supply voltage too high
• Check the operating conditions: under
these conditions the valve could not have
the specified performance.
12 Power supply voltage too low
13
Too a high temperature has
been detected
MAINTENANCE / DIAGNOSTICS / REPAIRS