Having A Problem - Craftsman 139.53993DM 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 reversing sensors are properly installed,
aligned and free of any obstructions. Refer to Installation
Step 4: Install The Protector System
• Check diagnostic LED for fl ashes on the motor unit then refer
to the Diagnostic Chart on the following page.
2. My remote controls will not activate the door:
• Verify your Premium door control is not blinking. If it is
blinking, deactivate the Lock Mode following the instructions
for Using the Premium Control Console.
• Reprogram remote controls following the programming
instructions. Refer to Programming.
• If remote control will still not activate your door, check
diagnostic LED for fl ashes on motor unit then refer to
Diagnostic Chart on the following page.
3. My door reverses for no apparent reason: Repeat safety
reverse test 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.
4. My door reverses for no apparent reason after fully closing
and touching the fl oor: Repeat safety reverse test 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.
• Refer to Adjustment Step 1, Adjust the UP and DOWN
Travel Limits. Decrease down 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
reversing sensor beam has been obstructed. Refer to
Operation section; Using the Wall-Mounted Door Control,
Light Feature.
® .
33
Bell Wire
Safety Reversing Sensor
Sending Eye Safety Reversing
Sensor (Amber Indicator Light)
"Learn"
Button
LED or
Diagnostic
LED
Receiving Eye Safety Reversing
Sensor (Green Indicator Light)