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beep

Beep — Setting changed confirmation

Daikin · Air Conditioner

What does beep mean?

A single beep sound is heard when a setting is changed using the remote controller or ON/OFF switch. This confirms the setting has been registered.

Common Causes

  • User changed a setting

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    No action is required as this is a normal confirmation sound.

  2. 2

    If the sound occurs when no setting was intentionally changed, check the remote control for accidental presses.

Browse all codes in this manual (40)
Verified technical data. Last updated: April 2026

Related Faults

0000 — Normal operationA1A1 — Indoor unit PCB defect detectedA5A5 — High pressure or freeze-up protector activated
Source: Daikin Air Conditioner
Open Manual (Page 6)Search more codes in this manual