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7. Common trouble shooting
Symptom
Possible reason
Solution
The door does not move
The door is locked or motor
jammed
Main power not switch on
Switch on the main power
The door is obstructed
Remove the barrier
Unlock the door
Check the motor is turning
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
There could be an obstruction under
the door
Remove obstruction
The door stops automatically
when opening
The moving force of the motor is set
too low
Increase the safety reverse force
The operator can be controlled
by O/S/C button but not the
remote
The remote light doesn’t flash
The battery is loose. Open rear
cover and ensure battery is
connected.
The receiving antenna is not pulled
out
Pull out the receiving antenna
Low battery in remote
Change new battery
（
12V
）
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
