Hitachi Louver Motor / Swing Mechanism Failure

Indoor louver does not move or is stuck in one position

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Possible Causes

Broken louver linkage, Failed stepper motor, Obstructed louver by dirt or foreign object, Faulty indoor PCB louver drive

How to Fix / Troubleshooting

Safety first: Turn OFF the unit before manually moving louvers.

Steps:

  • Check for obstruction: Gently move the louver by hand to feel for blockage. Remove any visible debris.
  • Reset swing: Turn the unit ON and toggle the swing function on the remote to see if the motor responds.
  • Inspect linkage: Open the front panel and check plastic gears and link arms for breakage.

If the motor does not respond and linkage is intact: The louver motor or PCB output may be faulty and require replacement.

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Repair Difficulty

Easy 2/5

Required Part

Louver Stepper Motor / Swing Mechanism
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