
41
IP2251EN
13. Troubleshooting
Problem
Possible cause
Alarm sig-
nalling
Operation
The control panel
does not switch on
No power supply.
Check the power supply cable and the
relative wiring
Overload on output 0-1
Disconnect any loads connected to ter-
minal 1
The automation
does not open or
close.
No power.
Check power supply cable.
Short circuited accessories
Disconnect all accessories from ter-
minals 0-1 (a voltage of 24V= must be
present) and reconnect them one at a
time.
Contact Technical Service
Blown line fuse.
Replace fuse.
Safety contacts are open.
Check that the safety contacts are closed
correctly (NC).
Safety contacts not correctly
connected or self-controlled
safety edge not functioning
correctly.
Check connections to terminals 6-8 on
control panel and connections to the
self-controlled safety edge.
Photocells activated.
Check that the photocells are clean and
operating correctly.
The automatic closure does
not work.
Issue any command. If the problem per-
sists, contact Technical Service
Motor fault
Check motor connection, if the problem
persists, contact Technical Service.
The external safety
devices are not ac-
tivated.
Incorrect connections be-
tween the photocells and the
control panel.
Check that
/
is displayed
Connect NC safety contacts together in
series and remove any jumpers on the
control panel terminal board.
Check the
→
and
→
setting
The automation
o p e n s / c l o s e s
briefly and then
stops.
There is a presence of friction.
Manually check that the automation
moves freely and check the
/
adjustment
Contact Technical Service
The remote control
has limited range
and does not work
with the auto-
mation moving.
The radio transmission is im-
peded by metal structures and
reinforced concrete walls.
Install the antenna outside.
Replace the transmitter batteries.
The remote control
does not work
No storage module or incor-
rect storage module.
Switch the automation off and plug in the
correct storage module.
Check the correct memorisation of the
transmitters on the built-in radio. If there
is a fault with the radio receiver that is
built into the control panel, the remote
control codes can be read by removing
the storage module.
Содержание LCU30H
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