Chamberlain 8550W, User Manual

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Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS
To reduce the risk of SEVERE INJURY or DEATH:
WARNING
WARNING
WARNING WARNING
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 garage door control push buttons or remote
controls.
3. ONLY activate garage 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 trolley ONLY when garage 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
garage doorway is clear of persons and
obstructions.
8. NEVER use emergency release handle to pull
garage door open or closed. If rope knot becomes
untied, you could fall.
9. After ANY adjustments are made, the safety
reversal system MUST be tested.
10. Safety reversal system MUST be tested every
month. Garage door MUST reverse on contact with
1-1/2" high (3.8 cm) object (or a 2x4 laid fl at) on
the fl oor. Failure to adjust the garage door opener
properly increases the risk of SEVERE INJURY or
DEATH.
11. ALWAYS KEEP GARAGE DOOR PROPERLY
BALANCED. An improperly balanced door may NOT
reverse when required and could result in SEVERE
INJURY or DEATH.
12. 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.
13. ALWAYS disconnect electric power to garage door
opener BEFORE making ANY repairs or removing
covers.
14. 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.
15. DO NOT install on a one-piece door if using devices
or features providing unattended close. Unattended
devices and features are to be used ONLY with
sectional doors.
16.
SAVE THESE
INSTRUCTIONS.