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Hormann Liftronic 700 Manual

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7 Inspection and Maintenance
The garage door operator is maintenance-free.
In the interest of your own safety, we recommend having the
door system inspected and maintained by a qualified person
in accordance with the manufacturer‘s specifications.
WARNING
Danger of injury due to unexpected door travel
Unexpected door travel can result during inspection and
maintenance work if the door system is inadvertently
actuated by other persons.
▶
Pull out the mains plug and, if applicable, the plug of
the emergency battery when performing all work on the
door system.
▶
Safeguard the door system against being switched on
again without authorization.
An inspection or necessary repairs may only be carried out by
a qualified person. Contact your supplier for this purpose.
A visual inspection may be carried out by the operator.
▶
Check all safety and protective functions monthly.
▶
Malfunctions and / or defects at hand must be rectified
immediately.
7.1 Checking the tension of the toothed belt
▶
Check the tension of the toothed belt every sixmonths
and adjust if necessary (seefigure17).
During the start-up and slow-down phase, it is possible that
the belt will briefly hang out of the boom profile. However, this
does not result in any technical consequences and does not
negatively affect the function and service life of the operator.
7.2 Checking safety reversal / reversing
To check safety reversal / reversing:
1. Stop the door with both hands
while it is closing.
The door system must stop and
initiate the safety reversal.
2. Stop the door with both hands
while it is opening.
The door system must switch off.
3. Position a test object with a height
of approx. 50mm in the centre of
the opening and close the door.
The door system must stop and
initiate the safety reversal as soon
as it reaches the obstacle.
▶
In the event of a failure of the safety reversal, a specialist
must be commissioned immediately for the inspection
and repair work.
7.3 Exchanging the bulb
▶
See figure18
CAUTION
Danger of injuries due to the hot lamp
Touching the lamp during or immediately following
operation can lead to burns.
▶
Do not touch the lamp if it is switched on or was
recently switched on.
When changing the bulb, it must be cold and the door closed.
Bulb type:
(Depending on operator type)
• 10W / 24V / B(a) 15s
• 21W / 24V / B(a) 15s
To change the bulb:
1. Disconnect the mains plug.
2. Change the bulb.
3. Plug in the mains plug.
The operator light will flash four times.
8 Displays for Operating Conditions, Errors
and Warnings
8.1 Operator light messages
If the mains plug is plugged in without the Tbutton having been
pushed, the operator light will flash two, three or four times.
Two flashes
No door data is present or the door data has been deleted
(delivery condition); it can be taught in immediately.
Three flashes
Saved door data is present, but the last door position is not
sufficiently known. The next run will be an OPEN reference
run. Afterwards, normal door runs will follow.
Four flashes
Saved door data is present and the last door position is sufficiently
know, i.e. normal door runs can proceed immediately (normal
behaviour after a successful teach-in and a power failure).
8.2 Display of error and warning messages
(Red LED on the operator cover)
The red LED helps to easily identify causes when operation
does not go according to plan. In normal operation, the LED
lights up continually.
NOTE:
If normal operation of the garage door operator with the radio
receiver or the Tbutton is otherwise possible, a short circuit
in the external button‘s connecting lead or in the button itself
can be recognised through the behaviour described here.
30
TR10L006-C RE / 11.2013
ENGLISH
… 30 …


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