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multitronic
881/881GL/ServoAccess
Type of fault Signal Possible cause of fault Fault repair
The door cannot be
opened by the radio
key or by an external
opening impulse.
Red LED lights up. The radio key is not tuned in. Tune in the radio key.
The distance to the receiver is too
large.
Hold the radio key closer to the
door.
The batteries in the radio key are
too weak.
Hold the radio key closer to the
door, if necessary exchange the
battery.
Check the connection to the
control (refer to chapter 6.1)
resp. to the motor drive (refer to
chapter 6.3).
Amend to the correct connection.
Door was opened. Green and red LEDs
light up.
This is not a fault. A signal is
being transmitted to indicate that
the door has been open for more
than 20 seconds.
Close the door. The lock will lock
automatically.
Latch remains retrac-
ted.
The connecting rods are blocked
by faceplate screws or the screws
have been overtightened.
Insert the screws perpendicular to
the faceplate and make sure with
U-rail faceplates that the connec-
ting rods will not be blocked.
External control signal is applied
to terminals 9-10 for too long.
Reduce the pulse duration to
≤ 1 second.
LED signal of the programming button Meaning:
LED is lit continuously No master key has been paired yet.
Note: The first station you pair is the future master station!
LED lights up for 2 sec. A previously paired transmission signal has been received, the lock is unlocked
by motor.
LED lights up for 0.5 sec. A still unpaired transmission signal was received, the lock does not unlock.
LED does not light at all. In the non-actuated basic position, the LED does not light up because no trans-
mission signal is received. However, if the LED does not light up despite the trans-
mission of an opening signal, the radio receiver or the motor lock has not yet
been connected to the operating voltage of 12 V DC or the cables on the motor
plug have been connected incorrectly.
11.1 USE WITH THE RADIO RECEIVER MODULE
The following LED signals can only be checked after connecting the 12 V DC power supply.
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