Adjustment; Program The Travel Limits - Craftsman 139.53939D Owner's Manual

ADJUSTMENT STEP 1
Program the Travel Limits
Travel limits regulate the points at which the door
will stop when moving up or down. Follow the steps
below to set the limits.
To program the travel limits:
Figure 1
o
- Indicator Ught
: WARNmNG
Without a properly installed safety reversalsystem, persons
(particularlysmall children) could be SERIOUSLY INJURED
or KILLEDby a closing garagedoor.
• Incorrect adjustmentof garagedoor travel limits will
interfere with proper operationof safety reversalsystem
• NEVER useforce adjustmentsto compensatefor a binding
or sticking garagedoor
• After ANYadjustmentsare made,the safety reversalsystem
MUSTbe tested, Door MUSTreverseon contact with 1-1/2"
(3.8 cm) high object (or 2x4 laid flat) on floor
Adjust the position of the door by using the black and
purple buttons, Black moves the door UP (open) and
purple moves the door DOWN (close).
1,.Setting the UP position: Press and hold the black
button until the yellow indicator light starts flashing
slowly then release.
2_Push and hold the black button until the door reaches
the desired UP (open) position (Figure 2),
NOTE: Check to be sure the door opens high enough for
your vehicle,,
3. Push the remote control or door control (Figure 3).
This sets the UP (open) limit and begins closing the
door.
NOTE: Excessive movement of the motor unit will cause
premature wear See Troubleshooting section.
4. Immediately when the door begins to move down,
press and release either the black or purple button.
This will stop the door°
5. Setting the DOWN position: Push and hold the
purple button until the door reaches the desired
DOWN (closed) position (Figure 4).
6, Once the door is closed, if there appears to have too
much pressure on the door, you may toggle the door
back and forth using the black and purple buttons to
reach the desired closed position.
7,, Push the remote control or the door control (Figure 3).
This sets the DOWN (close) limit and should bring the
door to the open position.,
o If the opener is not stopping exactly where you
would like it, repeat steps 1 through 8 and program
the limits again,,
• When the unit stops in both the desired up (open)
and down (close) positions, proceed to
Adjustment Step 2, Setting the Force.,
CAUTION :
To prevent damageto vehicles,be sure fully open door
I provides adequateclearance, t
Figure 2 IndiCator Ught
Push and hold _
until the door
Is at desired UP
posit_on _
Figure 3
or
Figure 4
Indicator Ught
Push either
button to stop
door at desired
DOWN position
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