17
The door can’t fully close
The door is beyond the original up
limit setting after power failure
Reset the limit position as per
instruction
A noise emits from the motor
during the first manual travel
limit setting
The up/down limit position
confirmation
This is normal, no action required
The door can only open, cannot
close
The photocell function was activated
Close the photocell function
The motor rotates but the door
doesn’t move
Motor put into manual mode
Push the manual release lever up
The door closes when pressing
‘UP’ during limit setting
Left / right installation error
Chang the installation direction
according to left/right installation
setting in the instruction manual
2 short beeps from buzzer
means 24V DC Motor out of
work
The connector of motor break away
the control board
Please make sure well connection
between motor connector and
control board.
Motor fault
Please change a new motor
3 short beeps from buzzer
means over-load protection
The door has met an obstacle
Remove the obstacle
Door twisted
Fix the door
4 short beeps from buzzer
means potentiometer out of
work
The connector of potentiometer break
away the control board
Please make sure well connection
between motor connector and
control board.
Potentiometer
Please change a new
potentiometer
