Aircon louvre swing motor
The louvre swing motor moves the indoor flap up and down to direct airflow. When it fails, the flap may stop moving, jitter, or stay stuck in one position.
Parts summary
Warning Signs
What it is and where it sits
The louvre swing motor moves the indoor flap up and down. It lets you direct airflow with the swing button.
Think of it like a small fan motor that pivots a blind. It follows your commands to change where air blows.
When it fails, the flap gets stuck or moves jerkily.
Failure modes and warning signs
Swing motors wear out or get stuck from dust and friction. The gears slow down or lock up.
You press swing and the flap does not move. It may jitter or click but not move smoothly.
The flap may stay stuck in one angle no matter what command you send.
- Flap stuck in one position
- Flap moves jerkily or clicks
- Flap does not respond to swing command
How we verify the problem
Technicians send a swing command and watch if the flap responds smoothly.
They check if the linkage is jammed before blaming the motor.
They listen for clicking or grinding sounds that point to motor wear.
| Test Finding | What It Means | Next Step |
|---|---|---|
| Flap responds smoothly to swing commands | Motor is working | Check other issues |
| Flap does not move or moves jerkily | Motor is failing | Replace swing motor |
| Linkage is bent or jammed | Mechanical jam, not motor | Repair the linkage |
Should you fix it now?
Replace only if testing shows the motor is not moving the flap.
You can wait if swing mode is not important to your comfort.
Do not wait if the flap is stuck and making noise every cycle. The linkage could get more damaged.
What to expect
Swing motor replacement is a minor indoor-unit repair.
Testing first confirms the motor is really the problem, not the linkage.
Most flap movement problems are linkage jams, not motor failures.
Common questions
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