S 401 GB - 20 - 03-06
L g
6.0 Failure analysis
ightin :
bulb defective:
exchange with 40W/ 230V E14 bulb
• drive is without mains voltage:
• check power plug and fuses and ex-
•
change if necessary
Radio system:
• door does not run with transmitter
check the battery of the transmitter and
exchange if necessary.
receiver has not learned the code of
the transmitter, repeat learning proc-
ess.
• range is dissatisfying:
check the connection and the location
of the antenna and correct if neces-
sary.
check the output of the battery and ex-
d:
change if necessary.
use a rod aerial.
circuit boar
ly reacts with push button:
e placement of the receiver
ange if necessary.
or me-
chanic and renew if necessary (only by
• door does not move:
check, if the safety inputs are
jumpered or safety installations are in-
stalled and not connected.
• door on
check th
and exch
• door stops while travelling:
door is too tight, check the do
a professional !!)
• door reverses while moving:
check if there is an obstacle in the
travel path and remove the obstacle.
motor:
motor runs, but the door does not
check the connection between push
motor gearbox defective, exchange
the circuit board):
•
move:
rod and door and correct if necessary,
check if the trolley is engaged in the
chain/belt lock?
• motor jerks:
complete motor unit
• motor does not start
• check, if the hallsensor cable is con-
nected correctly (at the motor and at
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