Problem Possible
Cause Solution
Gate Won’t Open
The input that is being used to
open gate is being secured by the
security timer
Open limit tripped/active
Low Power – set on FIRE Option
Stop command active
Close command active
Abort command active
Edge command active
Blown Motor Fuse
Comm. lost to motor board
Over Current on 1,2 or 3
Gate is in UL entrapment
No Power
Encoder Failure
AUX IN active
Force Delay set to low
Check the Display and all LED’s
Check if security timer is active
and what inputs are being
secured.
Verify limit position / reset limit
Check battery voltage
Remove stop signal / input
Remove close signal / input
Remove abort signal / input
Check edge for activation/failure
Check both motor board fuses
Verify communication via the
REC / XMIT LED’s
Check and remove shorts or over
voltages
Survey the area surrounding the
gate – when clear, activate the
UL-Reset button / terminal
Check for any indication of
power supplied
Operate gate and view the
“blinking” output from the Motor
board terminal DS-10
Verify AUX IN setting and
remove contact
Increase force delay time to at
least 0.5 seconds
Gate Won’t Close
Low Power
7-day timer hold open
Close timer not on / active
Exit loop detector/terminal active
Safe loop detector/terminal active
Shadow terminal active
Check the Display and all LED’s
Check the Battery voltage and
low power function setting
Check if the 7-day timer is on and
if the program time is active
Check the close timer setting
Check for a vehicle present, reset
loop detector or remove input,
check the loop integrity
Check for a vehicle present, reset
loop detector or remove input,
check the loop integrity
Check for a vehicle present, reset
loop detector or remove input,
check the loop integrity
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