1
Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to offer safe service provided it isinstalled,
operated,maintained and tested in strictaccordance with the instructions and warningscontained in this
manual.
When you see these Safety Symbolsand Signal Wordson the following pages,they will alert you to the
possibility of serious injury or death if you do not comply with the warnings that accompany them. The
hazard may come from something mechanical or from electric shock.Read the warnings carefully.
Mechanical
Electrical
When you see this Signal Word on the following pages, it will alert you to the possibility ofdamage to
your garage door and/or the garage door opener if you do not comply with the cautionary statements that
accompany it. Read them carefully.
Unattended Operation
The Timer-to-Close (TTC) feature, the MyQ®Smartphone Control app, and MyQ®Garage Door and
Gate Monitor are examplesof unattended close and are to be used ONLY with sectional doors . Any
device or feature thatallows the door to close withoutbeing in the line of sight ofthe door is considered
unattended close.The Timer-to-Close (TTC) feature, the MyQ®Smartphone Control,and anyother
MyQ®devices are to be used ONLY with sectional doors.
Check the Door
To prevent possible SERIOUS INJURY or DEATH:
lALWAYS call a trained door systems technician if garage door binds, sticks, or is out of balance.
An unbalanced garage door may NOT reverse when required.
lNEVER try to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their
hardware,ALL ofwhich are under EXTREME tension.
lDisable ALL locks and remove ALL ropes connected to garage door BEFORE installation and
operating garage door opener to avoid entanglement.
lDO NOTinstall on a one-piece door if using devices or featuresproviding unattended close.
Unattended devicesand features are to be used ONLY with sectional doors.
To preventdamage to garage door and opener:
lALWAYS disable locks BEFORE installing and operating the opener.
lONLY operate garage door opener at120 V,60 Hzto avoid malfunction and damage.
Before you begin:
1. Disable locks and remove any ropes connected to the garage door.
2. Lift the door halfway up. Release the door. If balanced, it should stay
in place, supported entirely by its springs.
3. Raise and lower the door to check for binding or sticking.If your door
binds, sticks, or is out of balance, call a trained door systems
technician.
4. Check the seal on the bottomof the door.Any gap between the floor
and the bottom of the door mustnot exceed 1/4 inch (6 mm).
Otherwise, the safety reversal system may not work properly.
5. The opener should be installed above the center of the door.If there
is a torsion spring or center bearing plate in the wayof the header
bracket, itmay be installed within 4feet (1.2 m) to the leftor rightof
the door center. See page10.
Torsion
Spring
Extension
Spring
OR
Preparation
