Haier MVAB009MV2AA, MVAB012MV2AA, MVAB018MV2AA Error 04: Fault of indoor unit dual heat source temp. sensor

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

Fault code04

The indoor unit dual heat source temp. sensor has failed. The manual lists no action for this code.

Model
Haier MVAB009MV2AA, MVAB012MV2AA, MVAB018MV2AA
Display shows
Fault of indoor unit dual heat source temp. sensor (04)
Type
Fault code
Source
Manual p. 18

What 04 means

Fault of indoor unit dual heat source temp. sensor p. 18

Common causes

  • Fault of indoor unit dual heat source temp. sensor p. 18

If 04 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 04; 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.