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Manual Connection Mode Active

Indoor unit indicator blinks — Air conditioner in Manual connection mode for pairing

Fujitsu · Air Conditioners

What does Manual Connection Mode Active mean?

The indoor unit's indicator light blinks when the air conditioner has entered Manual connection mode. This means it is ready to be paired with the WLAN adapter through the FGLair mobile app.

Common Causes

  • The air conditioner has been manually set to a pairing mode by the user via the remote controller.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Open the FGLair mobile app on your smartphone or tablet.

  2. 2

    Follow the instructions in the mobile app to complete the air conditioner registration (pairing of the WLAN adapter).

  3. 3

    If the indicator turns off before registration is complete, repeat the remote controller setting procedure to re-enter Manual connection mode.

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
Open Manual (Page 13)Search more codes in this manual