Havinga Problem - Craftsman 139.53902D Manual Del Propietário

HAVING A PROBLEM?
1. My door will not close and the light bulbs blink on my motor
unit: The safety reversing sensor must be connected and
aligned correctly before the garage door opener will move in
the down direction.
* Verify the safety sensors are properly installed, aligned and
free of any obstructions. Refer to Installation Step 4: Install
TheProtector System° .
• Check diagnostic LED for flashes on the motor unit then
refer to the Diagnostic Chart on the following page.
2. My remote controlswill not activate the door:
• Reprogram remote controls following the programming
instructions. Refer to Programming.
• If remote control will still not activate your door, check
diagnostic LEDfor flashes on motor unit then refer to
Diagnostic Chart on the following page.
Safety Reversing Sensor
Bell Wire
/
3. My door reversesfor no apparent reason: Repeat safety
reversetest after adjustments to force or travel limits. The need
for occasional adjustment for the force and limit settings is
normal. Weather conditions in particular can affect door travel.
• Manually check door for balance or any binding problems.
• Refer to Adjustment Step 2, Adjust the force.
Sending Eye Safety Reversing
Sensor (Amber Indicator Light)
Receiving Eye Safety Reversing
Sensor (Green Indicator Light)
4. My door reversesfor no apparent reason after fully closing
and touchingthe floor: Repeatsafety reverse test after
adjustments to force or travel limits,The need for occasional
adjustment for the force and limitsettings is normal. Weather
conditions in particular can affect door travel.
• Refer to Adjustment Step 1, Adjust the UPand DOWN Travel
Limits. Decreasedown travel by turning down limit
adjustment screw clockwise.
5. My lights will not turn off when door is open:
• The garage door opener is equipped with a security light
feature, This feature activates the light on when the safety
sensor beam has been obstructed. See Accessories page.
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