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Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to offer safe service provided it is installed,
operated,maintained and tested in strictaccordance with the instructionsand warnings contained in
this manual.
When you see these Safety Symbols and Signal Words on the following pages,they will alertyou 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 alertyou to the possibilityofdamage to
your garage door and/or the garage door opener ifyou do not comply with the cautionarystatements
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 examples ofunattended close and are to be used ONLY with sectional doors.Any
device or feature that allowsthe 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 any other
MyQ®devices are to be used ONLY with sectional doors.
Check the Door
To prevent possible SERIOUSINJURYor DEATH:
lALWAYS call a trained door systems technician if garage door binds, sticks, or is outof
balance. An unbalanced garage door mayNOTreverse when required.
lNEVER try to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or
their hardware, ALLof which are under EXTREME tension.
lDisable ALLlocks and remove ALLropes connected to garage door BEFORE installation and
operating garage door opener to avoid entanglement.
lDO NOT install on a one-piece door if using devices or featuresproviding unattended close.
Unattended devices and 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 at120V,60Hzto avoid malfunction and damage.
Before you begin:
1. Disable locks and remove anyropes 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 isoutofbalance,call a trained door systems
technician.
4. Check the seal on the bottom of the door.Any gap between the
floor and the bottom ofthe door must notexceed 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 way of the
header bracket, it may be installed within 4feet (1.2 m) to the left or
right of the door center. See page 7.
Torsion
Spring
Extension
Spring
OR
Preparation