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Horizontal Vane Stalled

Horizontal vane does not move - Vane position abnormal

Mitsubishi Electric · MSZ-AP Air Conditioners

What does Horizontal Vane Stalled mean?

The horizontal vane remains stationary or does not adjust its position as expected when commands are given.

Common Causes

  • The horizontal or vertical vanes are not installed correctly.
  • The fan guard is deformed, obstructing vane movement.
  • The unit is in a reset phase after power cycling (e.g., after the breaker is turned on).

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check if the horizontal and vertical vanes are properly installed and not dislodged.

  2. 2

    Inspect the fan guard for any visible deformation that might be blocking the vane's path.

  3. 3

    If you just turned on the breaker, wait about one minute for the horizontal vanes to complete their automatic reset procedure.

Browse all codes in this manual (87)
Verified technical data. Last updated: April 2026

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Source: Mitsubishi Electric MSZ-AP Air Conditioners
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