Operation; Using Your Garage Door Opener - Chamberlain RJO20C Manual

Operation

IMPORTANT SAFETY INSTRUCTIONS
1. READ AND FOLLOW ALL WARNINGS AND
INSTRUCTIONS.
2. ALWAYS keep remote controls out of reach of
children. NEVER permit children to operate or play
with door control push buttons or remote controls.
3. ONLY activate door when it can be seen clearly, it is
properly adjusted and there are no obstructions to
door travel.
4. ALWAYS keep garage door in sight and away from
people and objects until completely closed. NO ONE
SHOULD CROSS THE PATH OF THE MOVING DOOR.
5. NO ONE SHOULD GO UNDER A STOPPED,
PARTIALLY OPENED DOOR.
6. If possible, use emergency release handle to disengage
door ONLY when door is CLOSED. Use caution when
using this release with the door open. Weak or broken
springs or unbalanced door could result in an open
door falling rapidly and/or unexpectedly and increasing
the risk of SEVERE INJURY or DEATH.
7. NEVER use emergency release handle unless doorway
is clear of persons and obstructions.
8. After ANY adjustments are made, the safety reversal
system MUST be tested. Failure to adjust the garage
door opener properly may cause SEVERE INJURY or
DEATH.

Using Your Garage Door Opener

Your garage door opener has already
been programmed at the factory to
operate with your remote control,
which changes with each use,
randomly accessing over 100 billion
new codes. When programmed to the
®
Chamberlain Internet Gateway you
can monitor and control your garage
door from any internet enabled
computer or smartphone.
You may program the myQ control
panel with up to:
• 12 remote controls
• 2 keypads
• a combination of 16 myQ
accessories
See Accessories page 38.
The garage door opener can be
activated through a wall-mounted
door control, remote control, wireless
keypad or myQ accessory. When the
door is closed and the garage door
opener is activated the door will open.
If the door senses an obstruction
or is interrupted while opening, the
door will stop. When the door is in
any position other than closed and
the garage door opener is activated,
To reduce the risk of
SEVERE INJURY or DEATH:
the door will close. If the garage door
opener senses an obstruction while
closing, the door will reverse. If the
obstruction interrupts the sensor
beam, the garage door opener lights
will blink 10 times. However, you can
close the door if you hold the button
on the door control or keypad until
the door is fully closed. The safety
reversing sensors do not affect the
opening cycle. The safety reversing
sensor must be connected and
aligned correctly before the garage
door opener will move in the down
direction.
The garage door opener lights
will turn on when the garage door
opener is activated. They will turn off
automatically after 4-1/2 minutes or
provide constant light when the Light
feature on the myQ Control Panel
is activated. Bulb size is A19. Bulb
power is 100 watts maximum.
Light feature: Lights will also turn
on when someone walks through
the open garage door. With a myQ
Control Panel, this feature may be
turned off as follows: With the garage
9. Safety reversal system MUST be tested every month.
Door MUST reverse on contact with 1-1/2" (3.8 cm)
high object (or a 2x4 laid flat) on the floor. Failure to
adjust the garage door opener properly may cause
SEVERE INJURY or DEATH.
10. ALWAYS KEEP DOOR PROPERLY BALANCED (see
page 5). An improperly balanced door may NOT
reverse when required and could result in SEVERE
INJURY or DEATH.
11. ALL repairs to cables, spring assemblies and
other hardware, ALL of which are under EXTREME
tension, MUST be made by a trained door systems
technician.
12. To avoid SERIOUS PERSONAL INJURY or DEATH
from electrocution, disconnect ALL electric and
battery power BEFORE performing ANY service or
maintenance.
13. This operator system is equipped with an
unattended operation feature. The door could move
unexpectedly. NO ONE SHOULD CROSS THE PATH
OF THE MOVING DOOR.
SAVE THESE INSTRUCTIONS.
14.
door opener lights off, press and hold
the light button for 10 seconds, until
the light goes on, then off again. To
restore this feature, start with the
garage door opener lights on, then
press and hold the light button for 10
seconds until the light goes off, then
on again.
TIMER-TO-CLOSE (TTC)
The TTC feature automatically closes
the door after a specified time period
that can be adjusted using a TTC
enabled door control. Prior to and
during the door closing, the garage
door opener lights will flash and the
garage door opener will beep.
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