Haier MVAB009MV2AA, MVAB012MV2AA, MVAB018MV2AA Error 09: Fault of duplicate indoor unit address

Air conditioning equipment · taken from the manufacturer’s manual, pages cited

Fault code09

The system detected a duplicate indoor unit address. The manual lists no action for this code.

Model
Haier MVAB009MV2AA, MVAB012MV2AA, MVAB018MV2AA
Display shows
Fault of duplicate indoor unit address (09)
Type
Fault code
Source
Manual p. 18

What 09 means

Fault of duplicate indoor unit address p. 18

Common causes

  • Fault of duplicate indoor unit address p. 18

If 09 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Haier service.

This page summarises what the manufacturer’s manual says about 09; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Haier. Found a mistake? Report an error.