Press up button of controller, device       

  running downward

  Exchange the position of motor lead out

  black wire and brown wire

  When power on, motor running in one-way

  direction only

  Rotate the crown 1-2 circles forward the   

  against direction

  Motor not work or work slowly after

  connect the power

  1.The wire inside controller connect wrong

  2.Overload

  3.improper installation lead inside spare

  parts get stuck motor

  4.Both limit switch inside motor not open

  1.Change motor that can matching with

  power and rated voltage

  2.Change to the right N.m motor

  3.Check the accessories whether install

  correct

  4.Rotate the crown 1-2 circles forward any

  direction

  1.Motor is overheated

  2.Power cut

  3.Reach limitation

  1.Cooling around 20 minutes, motor will

  work normally.

  2.Restart after connect power

  3.Based on situation to decide whether

  need adjust the limit

  Outer tube is too longer leads brackets in

  both sides too tight

  If the idler is active, cut appropriately length

  of the tube