OPERATION OF YOUR OPENER
Your opener can be activated by any of the following
devices:
• The ACTIVATION button
Press the button until door starts to move.
• The Outside keyswitch or keyless entry system (if you
have installed any of these accessories).
• The Transmitter or Wireless Wall Control
Hold the push button down until the door starts to move.
When the opener is activated by transmitter,
ACTIVATION button or wall control:
• If open, the door will close. If closed, the door will
open.
• If closing, the door will stop.
• If opening, the door will stop (allowing space for entry
and exit of pets and for fresh air).
• If the door has been stopped in a partially open or
closed position, it will reverse direction.
Obstruction behaviour:
• If an obstruction is encountered while closing, the door
will reverse.
• If an obstruction is encountered while opening, the
door will reverse and stop.
• The optional Protector System™ uses an invisible
beam which, when broken by an obstruction, causes a
closing door to open and prevents an open door from
closing. It is STRONGLY RECOMMENDED for home-
owners with young children.
Opening the door manually:
The door can be opened manually by pulling the
release cord down firmly.
To re-engage the door, pull the release cord down firmly.
The opener light will turn on:
• when opener is initially plugged in;
• when the power is briefly interrupted;
• when the opener is activated.
• when IR Beams are triggered with the door in the
Open position. (the light turns off automatically after
2-1/2 minutes.)
CARE OF YOUR OPENER
When properly installed, your opener will operate with
minimal maintenance. The opener does not require
additional lubrication.
Limit and Force Settings: These settings must be
checked and properly set when the opener is installed.
Weather conditions may cause some minor changes in
the door operation, requiring some re-adjustments, par-
ticularly during the first year of operation. Refer to limit
and force setting in, section 13.
Follow the instructions carefully and repeat the
safety reverse test after any adjustment.
Transmitter: Additional transmitters can be purchased at
any time. Refer to Accessories. Any new transmitters
must be programmed into the opener.
Transmitter battery: If transmission range
decreases, replace the battery.
Door should be fully closed if possible.
Weak or broken springs could allow an open
door to fall rapidly. Property damage or serious
personal injury could result.
MAINTENANCE OF YOUR OPENER
Once a Month:
• Repeat safety reverse test.
Make any necessary adjustments (section 13).
• Manually operate door. If it is unbalanced or binding,
call for professional garage door service.
• Check to be sure door opens and closes fully.
Set limits and/or force if necessary.
SPECIAL NOTE: Chamberlain strongly recommends
that the Protector SystemTM be installed on all
garage door openers.
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