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 / grinds but the
door
doesn’t move
The motor is in manual mode
(out of gear)
Push the manual release lever up
to put the motor into gear
The door closes when pressing
‘UP’ during limit setting
Left / right installation error
Change the installation direction
according to left/right installation
setting in the instruction manual
2 short beeps from buzzer
means 24V DC Motor no
longer operational
A motor connection may have
broken away from the circuit board
Please make sure there is a
connection between motor
connector and control board.
Motor fault
Contact Auto Openers
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 is no
longer working
A potentiometer connection has
broken away from the circuit board
Please make sure there is a
connection between
potentiometer and board.
Potentiometer
Please install a new
potentiometer
