COMMON TROUBLE SHOOTING
Symptom Possible reason Solution
The door will not operate from
control box
Power not switch on
Check power is on to control unit(Red
LED illuminated)
Mains plug problem
Plug fully engaged on the control box
and motor wiring connections properly
engaged
“beep, beep.....” from buzzer, and
LED displays ”E2” error code
Motor fault
Push the manual release lever up
Change a new motor
Change a new rotary encoder
“beep, beep.....” from buzzer, and
LED displays ”E6” error code
Door twisted Fix the door
The door does not move, and
LED displays”8” error code
Motor is too hot Wait for 15 minutes, then restart
The door does not move and LED
displays ”9” when self-learning
after set UP and DOWN limit
Door is too heavy Improve the weight balance of the door
The door won’t reverse when
obstructed
The moving force of the motor is
set too high
Decrease the safety reverse force
The door reverses automatically
when closing
The moving force of the motor is
set too low
Increase the safety reverse force
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