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PROGRAMMING
Trouble
Motor overload is
tripped.
Control board is not
operating properly.
Electric brake is not
engaging properly.
Gate ascends but
"pumps" (will not
lock) in the vertical
position.
Segment (main
shaft) gear is hitting
the vertical buffer
and tripping the
Motor Overload.
Electric brake is not
properly releasing.
Gate does not
descend
SIG-QG-21-01
Version: A
Cause
Verify yellow Overload
LED is illuminated.
Verify yellow Health light
is flashing at 1 Hz.
Ensure the electric brake
air gap is between 0.015"
and 0.020" and ensure
the motor shaft rotates
freely.
Ensure a minimum of 11
VDC is present on the
control board's brake
terminals.
Improper horizontal
position setting
Check the brake air gap.
WHEN CHANGING BRAKE WITH THE GATE IN THE VERTICAL
POSITION, DO NOT REMOVE LOCK BAR.
Action
Clear gate of any obstructions and
ensure the drive train rotates freely.
1) If Health light is on steady or
2) If it does not recover, replace
Adjust the brake air gap.
Validate that Gate Control GC
power is available and that both the
Gate Control and Brake On red
LED's are illuminated.
Lower the gate arm to ensure the
horizontal position of the arm is
correct and then cycle power to the
mechanism to reestablish the zero-
degree position
1) Ensure a minimum 0.015" air
2) Check the brake functionality by
3) Replace the electric brake.
CAUTION
7-2
Correction
dark, cycle the control board
power.
the control board.
gap between the brake
armature and the housing.
switching the Maintenance
Mode toggle switch to the
Maintenance mode. The brake
should release.
NOVEMBER 2021
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