CodeRegistry
Brands
  1. Home
  2. Haier
  3. Air Conditioners
  4. Two Pi sounds
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

Two Pi sounds

Two Pi sounds — Self-Clean operation completed

Haier · Air Conditioners

What does Two Pi sounds mean?

The unit will make two 'Pi' sounds to indicate that the 'SELF-CLEAN' function has finished and the unit is returning to its original operating state.

Common Causes

  • 'SELF-CLEAN' cycle completed successfully

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    No action is required, as this is a normal operational sound.

  2. 2

    The unit will automatically resume its previous operating mode.

  3. 3

    You can now select a new operation mode if desired.

Browse all codes in this manual (48)
Verified technical data. Last updated: April 2026

Related Faults

CL displayCL displayed on panel & remote — Self-Clean operation activatedE1E1 — Indoor temperature sensor failureE14E14 — Indoor fan failure
Source: Haier Air Conditioners
Open Manual (Page 48)Search more codes in this manual