Chamberlain 1042 Garage Door Opener User Manual


 
PN# 3642036534, 02/26/2010 REV. 1
22
FIG. 6-6 2 x 4 under center of door opening.
CONTACT REVERSE TEST
The force adjustments and limit switch settings
MUST BE COMPLETED before testing.
1. Testing.
Open garage door using wall button.
– Place a 2" x 4" board (laid flat) under center
of garage door opening (Fig. 6-6).
Close door using wall button.
When door contacts board, the door must stop
(within 2 seconds) and reverse direction
returning to open position.
2. Adjustment.
If the door does not properly reverse.
– Check to see if door has "close" limit
programmed. It should not have reached its
"close" limit before hitting board.
– If the door STOPS but does not reverse,
decrease "CLOSE FORCE" control
setting slightly (turn it counter-clockwise).
Test again. Repeat as necessary until door
reverses upon contacting board.
CLOSE
1. Press and hold both of the "SET" buttons
( & ) together until the green indicator
light blinks (about 5 seconds).
2. All close and open travel limit settings are
erased. Then follow the steps on page 20 to
reprogram close and open travel limits.
NOTE: The opener will not close the door
automatically unless the Safe-T-Beam
®
System is
installed.
SET
SET
1. By turning the Close Force Control clockwise,
the CLOSE force can be increased. By turning
the Close Force Control counter-clockwise,
the CLOSE force can be decreased. Set the
CLOSE force level at the minimum force required
to close door without reversing.
2. Once the desired level is selected, this stores the
maximum force level for the CLOSE direction in memory.
3. By turning the Open Force Control clockwise, the
OPEN force can be increased. By turning the Open
Force Control counter-clockwise, the OPEN force
can be decreased. Set the OPEN force level at the
minimum force required to open door without stopping.
4. Once the desired level is selected, this stores
the maximum force level for the OPEN direction
in memory.
OPEN
CLOSE
OPEN
CLOSE
UP/DOWN FORCE
ERASE - OPEN/CLOSE TRAVEL LIMIT
OPEN
FORCE
CLOSE
Down Force
Control
Adjustment
Up Force
Control
Adjustment
ROTATE
CLOCKWISE
ROTATE
COUNTER-CLOCKWISE
(Increasing Force
(Decreasing Forc
e
FIG. 6-5 Force Control Adjustment.