Attach Warning Labels (See Fig� 28); Cleaning And Maintenance; Cleaning; Maintenance - Chamberlain LiftMaster LM70EVFF Assembly And Operating Instructions Manual

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Function sequence:
When operating the door opener by radio control or wall switch:
• closes the door when it is fully open
• opens the door when it is fully closed
• stops the door if it is opening or closing
• the door moves in the opposite direction to the last completed move,
if it is partially open
• drives back the door to the open door position, if it hits an obstruction
while closing
• stops the door, if it encounters an obstacle during opening
• Photocells (optional): By means of the photocells, a closing door is lif-
ted up or an open door is obstructed while closing, if a person located
in the door area interrupts the beam
• THE MULTI-FUNCTION DOOR CONTROL (optional)
Press the push bar (1) to open or close the door� Press again to stop
the door� Light feature Press the Light button (2) to turn the opener
light on or off. It will not control the opener light when the door is in
motion� If you turn it on and then activate the opener, the light will
remain on for 2-1/2 minutes. Press again to turn it off sooner.
The operator light switches on in the following cases:
1� First turning on of the door opener (short)
2� Power interruption (short)
3� With each turning on of the door opener�
The light turns off automatically after 2 1/2 minutes.
29
Attach warning labels
30

Cleaning and maintenance

Before any maintenance, cleaning and related mainte-
nance work, the mains supply plug should be pulled out.
Danger from electric shock!
Maintenance of the door opener
A proper installation ensures the optimum performance of the door ope-
ner with minimum maintenance� An additional lubrication is not required�
Gross dirt accumulation in the guide rail may impair the function and
must be removed�
31

Cleaning

Clean the drive head, wall switch and remote control with a soft, dry
cloth� Do not use liquids�
(see fig. 28)
32

Maintenance

Check the system often, especially cables, springs and fas-
teners, for signs of wear, damage or lack of balance� Do not
use if repair or adjustment work must be performed, because
an error in the system or an incorrectly balanced door may cause injury�
Repairs to electrical equipment and gates may be carried out only by
an authorized specialist / expert� In any case, please do not ever carry
out repairs yourselves because this could result in serious injury or
death�
Once a month:
• Check automatic safety reverse again and reset if necessary�
• Operate door manually� If the door is unbalanced or stuck, please
contact the service centre�
• Check for complete opening and closing of the door� Where appro-
priate, readjust limit switches and / or power�
Twice a year:
• Check the belt tension. For this, first disconnect the carriage from the
drive� If necessary, adjust belt tension�
Once a year (at the door):
• Lubricate door roller, bearings and joints� An additional lubrication of
the door opener is not required�
Limit switch adjustment and force regulation:
These settings must be checked and undertaken properly during the
installation of the opener� Due to weathering, minor changes can occur
during operation of the opener that need to be addressed by a new
setting. This can particularly happen in the first year of operation.
Follow the instructions for setting travel limits and force (refer to section
23 and 33) carefully and re-check the automatic safety reverse after
each resetting�
33

Replace batteries of the remote control

Battery of the remote control:
The batteries in the remote have an extremely long life�
If the transmission range decreases, the batteries must be replaced�
Batteries are not covered by the guarantee�
Please observe the following instructions for battery:
Batteries should not be treated as household waste� All consumers
are required by law to dispose of batteries properly at the designated
collection points� Never recharge batteries that are not meant to be
recharged�
Danger of explosion!
Keep batteries away from children, do not short-circuit them or take
them apart� See a doctor immediately, if a battery is swallowed� If ne-
cessary, clean contacts on battery and devices before loading� Remove
exhausted batteries from the device immediately!
Increased risk of leakage!
Never expose batteries to excessive heat such as sunshine,
fire or the like! There is increased risk of leakage!
en 11

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