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14
Alarms and faults
PROBLEM
POWER LED off
POWER LED off
The gate does not
open or close.
Example:
72
ALARM
POSSIBLE CAUSE
No power.
Fuses blown.
Input mains power voltage fault.
Control initialisation failed.
Overcurrent detected in inverter.
Incorrect connection between SEC1
and SEC2 of the transformer.
Incorrect travel length values.
Parameter
Motor 1 not connected.
Motor 2 not connected.
Fuse F1 blown or damaged.
This message is not visible if
controller is in battery power mode.
MOTOR 1 encoder not responding,
absent or faulty.
MOTOR 2 encoder not responding,
absent or faulty.
Communication error between
controller and MOTOR 1 encoder.
Communication error between
controller and MOTOR 2 encoder.
Minor malfunction of MOTOR 1
encoder.
Minor malfunction of MOTOR 2
encoder.
Encoder MOTOR 1 encoder magnet
malfunction. Severe encoder error.
Encoder MOTOR 2 encoder magnet
malfunction. Severe encoder error.
Position detected of MOTOR 1
incongruent with travel length.
ACTION
Check power cable.
Replace fuse. Always disconnect from mains
power before removing fuses.
Disconnect from mains power, wait 10 seconds
then reconnect to the mains and switch on.
If the problem persists, contact your local
assistance.
Pressing the TEST button it is possible to hide
the alarm temporarily and consult the control
unit's parameters.
Press the TEST button twice or perform 3
command requests in succession.
Swap the connection between SEC1 and
SEC2.
Press the TEST button and check the safety
device/s in alarm state and the connections
of the safety devices. Check that the
mechanical stops of MOTOR 1 and MOTOR 2
are positioned correctly.
Repeat acquisition procedure.
The position data request message
pears on the display whenever this parameter
appears on the display, then repeat the acqui-
sition procedure (see chapter 10).
Check the motor cable.
Check the motor cable.
Replace fuse.
Always disconnect from mains power before
Check encoder connection.
Replacing the encoder is recommended if the
problem persists.
Check encoder connection.
Replacing the encoder is recommended if the
problem persists.
Check connection of MOTOR 1.
Check connection of MOTOR 2.
Check connection of MOTOR 1.
Check power voltage of controller.
Check connection of MOTOR 2.
Check power voltage of controller.
Replacing the encoder is recommended if the
problem persists.
Replacing the encoder is recommended if the
problem persists.
Check the setting of parameter
the learning procedure.
Replacing the encoder is recommended if the
problem persists.
ap-
and repeat
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