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Weak airflow - Dry mode

Weak airflow (Dry mode) — Normal operation for humidity adjustment

Fujitsu · Air Conditioners

What does Weak airflow - Dry mode mean?

In Dry mode, the indoor unit intentionally operates at a low fan speed and may stop from time to time to effectively adjust room humidity. This is normal behavior for the mode.

Common Causes

  • Normal operating behavior in Dry mode to optimize dehumidification and maintain desired humidity levels.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    This is normal operating behavior for the Dry mode of your air conditioner.

  2. 2

    Do not attempt to manually change the fan speed, as it is automatically controlled in this mode.

  3. 3

    Allow the unit to continue its cycle to effectively reduce room humidity.

Browse all codes in this manual (118)
Verified technical data. Last updated: April 2026

Related Faults

11Error 11 — Serial communication error (Indoor unit not sending signal)12Error 12 — Wired Remote Controller Communication Error18Error 18 — External communication error
Source: Fujitsu Air Conditioners
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