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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, Install The Protector System
®
.
• Check diagnostic LED for flashes on the motor unit
then refer to the Diagnostic Chart on the following
page.
2. My remotes will not activate the door:
• Verify your Multi-Function door control is not
blinking. If it is blinking, deactivate the Lock Mode
following the instructions for Using the
Multi-Function Door Control.
• Reprogram remotes following the programming
instructions. Refer to Programming.
• If remote will still not activate your door, check
diagnostic LED for flashes 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 Forces.
4. My door reverses for no apparent reason after
fully closing and touching the floor: 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.
Safety Reversing Sensor
Bell Wire
KG
KG
“Learn”
Button
LED or
Diagnostic
LED
Receiving Eye
Safety Sensor
(Green Indicator
Light)
Sending Eye
Safety Sensor
(Amber Indicator
Light)
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.
Refer to Operation section; Using the Wall Mounted
Door Control, Light Feature.
6. My motor unit hums briefly:
• First verify that the trolley is against the stop bolt.
• Release the door from the opener by pulling the
Emergency Release Rope.
• Manually bring the door to a closed position.
• Loosen the chain by adjusting the outer nut 4 to 5
turns. This relieves the tension.
• Run the motor unit from the remote control or door
control. The trolley should travel towards the door
and stop. If the trolley re-engages with the door,
pull the Emergency Release Rope to disengage.
• Decrease the up travel by turning the UP Travel
adjustment screw 2 full turns away from the arrow.
• If the trolley does not move away from the bolt,
repeat the steps above.
7. My motor unit clicks:
• Motor is overheated. Allow 15 minutes for motor to
cool and try again.
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