User’s Manual
17
FAQ Possible Causes Solutions
If the barrier arm moves
slowly, but the control board
LED does not display the
movement angle value, it
means that the angle encoder
of the motor is damaged.
Replace the angle encoder of the
motor.
The barrier arm
violently shakes
when it rises or
falls.
The barrier arm is not tightly
fixed.
Check and fix the barrier arm again.
The transmission mechanism
in the Barrier is loose.
Adjust the limit screws and cushion
rubber gaskets of the transmission
mechanism.
The balance spring in the
Barrier is broken.
Replace it with a new one of the same
specifications.
The controller,
rather than the
remote control,
can control the
barrier arm to rise
or fall.
The battery of remote control
has run out of power.
Check whether the indicator light is on
when pressing the remote control. If
not, disassemble the remote control to
check the condition and position of the
battery, or see whether the antenna is
intact.
The remote control is
damaged.
Each Barrier is equipped with two
wireless remote controls. If only one of
them does not work, it means that the
remote control is damaged. If both of
them do not work, the receiver might
be damaged.
The receiver is damaged.
The control board is
damaged.
Check whether the receiver beeps
when pressing the remote control. If
yes, it means that the control board is
damaged.
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