Fujitsu Louver Motor or Linkage Failure

Indoor unit louvers do not move or are stuck in one position

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Failed louver stepper motor, Broken louver linkage or gears, Obstruction preventing movement, Faulty indoor PCB louver drive

How to Fix / Troubleshooting

Safety first: Turn off power before manually moving louvers to avoid motor damage or pinched fingers.

  • Check for obstructions: Ensure nothing is blocking the louvers (curtains, objects on the wall).
  • Manual movement: Gently move the louvers by hand. If they are jammed, inspect for broken plastic parts.
  • Reset position: Turn power off for 5 minutes, then restore and set the louver swing function to see if movement resumes.
  • Motor replacement: If the motor hums but louvers do not move, or there is no response at all, the louver motor or linkage may need replacement by a technician.
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Repair Difficulty

Medium 3/5

Required Part

Louver Stepper Motor
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