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11
Malfunctions and troubleshooting
11 .1
Display of error and warning messages
The red LED in the operator cover helps to easily identify
causes when operation does not go according to plan. This
LED is continuously illuminated in normal operation.
NOTE:
If normal operation of the garage door operator with the radio
receiver or the T button is otherwise possible, the following
can be recognised through the behaviour described here:
•
A short circuit in the external button
•
A short circuit in the connection cable of the external
button
LED
Flashes 2 ×
Cause
The connected photocell has been
interrupted or actuated. Possibly, a safety
reversal has taken place.
Remedy
Remove the triggering obstacle.
▶
Check photocell, replace if
▶
necessary.
Acknow-
Give an impulse via
▶
ledgement
–
–
–
If the door system is in the Open
end-of-travel position, the door
closes.
Otherwise the door opens.
LED
Flashes 3 ×
Cause
The Close power limit has been
activated. The safety reversal has taken
place.
Remedy
Remove the triggering obstacle.
▶
If the safety reversal took place for no
apparent reason:
Check the door mechanics or the
▶
tension of the toothed belt.
–
Or
–
Acknow-
Give an impulse via
▶
ledgement
–
–
–
The door opens.
86
an external button,
a hand transmitter button,
the T button.
Delete the door data if required
(see section 11.2). Then teach in
the door system again (see
section 5.1).
Readjust the tension of the
toothed belt (see section 9.1).
an external button,
a hand transmitter button,
the T button.
LED
Flashes 5 ×
Cause
The Open power limit has been activated.
The door system has stopped in the door
Open direction.
Remedy
Remove the triggering obstacle.
▶
If the door system stopped before the
Open end-of-travel position without a
discernible reason:
Check the door mechanics or the
▶
tension of the toothed belt.
–
Delete the door data if required
(see section 11.2). Then teach in
the door system again (see
section 5.1).
Or
–
Readjust the tension of the
toothed belt (see section 9.1).
Acknow-
Give an impulse via
▶
ledgement
–
an external button,
–
a hand transmitter button,
the T button.
–
The door closes.
LED
Flashes 6 ×
Cause
System error/malfunction in operator
system
Remedy
Delete the door data if required (see
▶
section 11.2). Then teach in the door
system again (see section 5.1).
If the operator error occurs again:
Replace the operator.
▶
Acknow-
Give an impulse via
▶
ledgement
–
an external button,
–
a hand transmitter button,
–
the T button.
The door opens (reference run).
LED
Flashes 7 ×
Cause
The operator has not been taught in (no
error, only a notification).
Remedy /
Provide an impulse and initiate a
▶
acknow-
learning run by
ledgement
–
an external button,
–
a hand transmitter button,
–
the T button.
The door closes.
LED
Flashes 8 ×
Cause
The operator does not have a reference
point (no error, only a notification)
Remedy /
Provide an impulse and initiate a
▶
acknow-
reference run by
ledgement
–
an external button,
–
a hand transmitter button,
–
the T button.
The door opens.
Note
Normal behaviour following a power
failure, if
•
no door data is available,
•
the door data has been deleted,
•
the last door position is not known.
437784 B3 / 28-2021 / RE
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