TROUBLESHOOTING
NOTICE
Opener will not work until you set the travel limits
and the auto force adjustment. You must follow all
steps located on pages 17-19.
to start slowly, accelerate to full speed, then slowly
on openers components and to improve opener
longevity.
Problem Possible Cause / Solution
Opener does not close and beeps x 20 The photo eye may be obstructed, not properly aligned or
installed, check connection and alignment by referring to
pages 14-15.
Opener does not respond to • Refer to page 22 to reprogram remote control.
remote control
• Check remote control battery and vacation switch if
deluxe door control is installed.
Opener stops before reaching full Travel Limit is not properly set, check adjustment
open / close position
ANY adjustment.
Door reverses unintentionally • Make sure the photo eye safety system is aligned
and clear of obstructions.
• Refer to page 3 to check the door balance
• Refer to pages 17-19 to reset travel limits and force
adjustment.
Door reverses and courtesy light flashes Refer to pages 17-19 to reset travel limits and force
adjustment.
Opener does not close the door,
The photo eye saf
ety system is misaligned or
LED on one of photo eyes flashes, and beeps x 20 obstructed, refer to page 14-15 for proper alignment.
17-19
33 masterforceopeners.com Customer Service: 1-877-436-4402
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