51
headline bars
continuation tabs
notes
warnings
TROUBLESHOO
TING
Door reverses for no
apparent reason.
•
The door hardware may be binding causing the close door
force setting to be exceeded. Disengage the trolley and
manually check the door movement and balance. Lubricate
the door hardware as recommended by the garage door
manufacturer.
•
Re-adjust the travel limits and force adjustments to ensure the
automatic force adjustment are set properly.
•
Ensure the safety beam sensor is securely fastened and no
sunlight is shining directly onto the receiving sensor.
Opener is noisy.
•
Adjust the chain tension (refer to page 16).
•
Lubricate the door hardware as recommended by the garage
door manufacturer.
Opener won’t work
due to power failure.
•
Use the emergency release handle to disconnect the opener
from the door. The door can be opened or closed manually until
power is restored.
