Problem
Gate does not
close all the way
Possible Causes
Solution
A. Limit positions not adjusted
properly
B. Chain too tight
C. Gate Resistance
D. Limit nuts damaged
A. Readjust limit position by
turning the limit nuts
B. Loosen chain by turning the
chain bolt
C. Lubricate gate. Replace
worn or damaged wheels,
bearings, or hinges.
D. Replace limit nuts
Gate operator
opens on its own
A. Erase all remote controls on
the system by holding the study
button on the circuit board for 8
seconds. Manually re-add the
remote controls back in by
pressing the remote control and
the study button until the flashing
light turns solid (about 2 seconds)
B. Downgrade sensitivity on the
loop detector
Gate reverses when
traveling
A. Not enough force
B. Low Battery
A. Increase force by turning the
third (open) and fourth (close) blue
knob labeled "ERD" slightly
clockwise.
B. Charge battery using solar panel
or 110VAC electricity
Troubleshooting
35
A. Radio frequency interference
from another nearby gate operator
or garage door operator
B. Loop detector may be too
sensitive to environmental vibrations
Summary of Contents for CM3
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