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6050-065-L-11-08
34
• Check that the clutch is adjusted properly and is not slipping.
• Disconnect the gate from the gate operator and check that the gate swings freely without any binding.
• Check that SW-1, switch 7 is set correctly.
• Check the PULSE LED on the circuit board. PULSE 1 should blink as the primary (or single) operator
is running. PULSE 2 should blink as the secondary operator is running. If either PULSE LED is not
blinking as the respective operator is running, check that the magnetic sensor is within 1/32 inch of
the magnetic counter ring.
• Replace the magnetic sensor.
• Replace the circuit board.
Gate opens a short
distance, then stops
and reverses.
Alarm sounds for 5
minutes and then
beeps once every 5
seconds. Operator
will not run.
Symptom Possible Solution(s)
• Check the input LEDs. Any ON will hold the gate open and indicates a problem with a keying device.
• Check the secondary safety devices. Any activated will hold the gate open and indicates a problem
with the safety device.
• Check the loop detectors. Any activated can hold the gate open and indicates a problem with the
loop detector or ground loop.
• Operator may be in a “soft shutdown.” Activate any keying device to determine if operator returns
to normal operation.
• If automatic close is desired, be sure SW-1, switch 4 is ON.
• Check motor as described on previous page.
Gate opens but will
not close.
Gate closes but will
not open.
Gate closes and then
re-opens.
DC open system will
not open gate upon
AC power outage.
Gate starts to close,
then reverses to
open.
• Operator may be in a “soft shutdown.” Check input LEDs on terminals 11-13. If any are ON,
momentarily disconnect, then re-connect the wire going to the respective terminal. Operator should
open.
• Check to be sure that the operator is running in the proper direction. Turn power OFF, and then back
ON. Activate a keying device. Operator should run in the open direction. If operator runs in the
close direction, turn power OFF and change direction switch SW-2, switches 1 and/or 2. Go to
above section if operator now opens but will not close.
• Be sure that the respective LED on the control board lights when the keying device connected to the
respective terminal is activated. If LED does not light, momentarily place a jumper wire from
terminal 20 to the input terminal being checked. If LED lights and gate opens, problem is with the
keying device. If LED does not light, replace control board.
• Check motor as described on previous page.
• Check that the clutch is adjusted properly and is not slipping.
• Disconnect the gate from the operator and check that the gate operates freely without any binding.
• Check the loop detector LEDs and input LEDs. Any that flash ON will cause the gate to reverse.
• If a shadow loop is used, check for proper wiring. A mis-wired shadow loop detector will cause the
gate to reverse.
• Check the PULSE LED on the circuit board. PULSE 1 should blink as the primary (or single) operator
is running. PULSE 2 should blink as the secondary operator is running. If either PULSE LED is not
blinking as the respective operator is running, check that the magnetic sensor is within 1/32 inch of
the magnetic counter ring.
• Replace the magnetic sensor.
• Replace the circuit board.
• Check for any input or loop detector LEDs that are ON.
•
Check that the operator is running in the proper direction (see “gate closes but will not open” above).
•
Check that SW-1, switch 5 is set correctly.
• Check if the DC system is set to open gate automatically or requires an input to open.
• Check that the DC system power switch is in the ON position.
• Check the batteries for proper voltage. Replace if necessary.
• Replace the DC system circuit board.
• Operator is in a “hard shutdown” condition. Reset switch must be activated to return operator to
normal operation.