15
Adjustment
Warning:
If Limits are not adjusted properly, the emergency release mechanism may not work
properly and door operation could result in door damage or serious injury.
Note:
It is now necessary to turn on the power in order to run the opener to check limit settings. Before doing so,
ensure that all mounting hardware is installed and has been properly tightened, that all electrical connections are per
local code requirements. Double Check that all ropes have been removed and that the doorway is clear.
•
Up (Open) and Down (Close) Limits
•
Limit adjustments settings regulate the total amount of
distance the door will travel while opening and/or
closing.
•
Setting the Up Down Limits
•
Note: Run the Opener through a complete travel cycle
after each adjustment.
•
Note: Repeated Operation of Opener may cause the
motor to Overheat and the Thermal Overload
Protection System will shut off the Opener. Please wait
approximately 15 minutes for the Opener to cool down
and automatically reset.
•
If the door opens completely and closes completely
without reversing: No adjustment is necessary.
•
If the door does not open completely but opens at least
1.5M: Increase Up travel by turning UP LIMIT screw
Clockwise
•
If the door does not open 1.5M: Adjust Up FORCE/
SENSITIVITY Setting Page 16.
•
If Door does not close completely: Increase Down
Travel by turning DOWN LIMIT screw Counter-
Clockwise.
•
If Door reverses in full closed position: Decrease Down
travel by turning Down LIMIT screw Clockwise.
•
If Door Continues to Reverse: Disconnect Door from
Opener use manual release. Check for binding while
working door manually. If door binds or is out of
balance call a qualified garage door service person. If
no binding is found and balance seems correct. Adjust
FORCE/SENSITIVITY Setting Page 16.
!
Figure 14B
