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OPERATION OF YOUR OPENER
Your opener can be activated by any of the following
devices:
• The green start button
Hold the button down until door starts to move.
• The Wall Control, Outside Keylock or Keyless
Entry System (if you have installed any of these
accessories).
• The Remote Control Transmitter or Wireless Wall
Control (128LM)
Hold the push button down until the door starts to move.
When the Opener is activated by Remote Control, Green
Start Button or Wall Control:
1. If open, the door will close. If closed, the door will open.
2. If closing, the door will stop.
3. If opening, the door will stop (allowing space for entry and
exit of pets and for fresh air).
4. If the door has been stopped in a partially open or closed
position, it will reverse direction.
5. If an obstruction is encountered while closing, the door
will reverse.
6. If an obstruction is encountered while opening, the door
will reverse and stop.
7. 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 homeowners with
young children.
Allow a 15 minute cooling period after 4 minutes of
continuous operation of the opener.
Opening the Door Manually:
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.
The door can be opened manually by pulling the release
cord down and across to engage the ball into the cup.
To reconnect the door, pull the release cord across and up to
engage the opener .
The Opener Light Will Turn On:
1. when opener is initially plugged in;
2. when the power is briefly interrupted;
3. when the opener is activated.
The light turns off automatically after 2-1/2 minutes.
MAINTENANCE OF YOUR OPENER
Once a Month:
• Repeat safety reverse test.
Make any necessary adjustments.
• 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.
SPECIFICATIONS
Input Voltage: 230-240VAC, 50Hz, 90W
Rated Load: 18Nm
Max.Pull Force: 550N
Max. Door Weight 100kg
Idle Current: less than 25mA @ 230VAC
Drive: DC gearmotor
permanent lubrication
Max. Drum Rotations: 5
Memory Registers: 64
Operating Frequency: 433.92MHz
SPECIAL NOTE: Chamberlain strongly recommends that the
protector system be installed on all garage door openers.