Gree · Heat pump

A9 Set back function

Menu / mode display Gree GMV6 Mini VRF

What the display is showing

A9 is listed in the status table as a Set Back function. The manual states it is not available on MultiPRO units.

Applies to: Gree GMV6 Ultra Heat Mini VRF 36-60k (GMV-V..WL/C-T(U))

Models that show this code

3 models in Gree GMV6 Mini VRF

GMV-V36WL/C-T(U)GMV-V48WL/C-T(U)GMV-V60WL/C-T(U)

Other codes on the same units

A3 Defrosting
A4 Oil return
A6 Cooling/heating mode of the whole system (menu)
A7 Outdoor silence mode (menu)
A8 Vacuum mode (menu)
b1 Outdoor ambient sensor open or shorted (15K)
b2 Defrost (coil) sensor open or shorted (20K)
b4 Sub-cooler liquid outlet sensor open or shorted (20K)

Save it for the next call

Star this code in the HVACopedia app and keep the whole library on your phone for jobs with no signal.

Open the app

Source: Gree GMV6 Ultra Heat Mini VRF 36-60k (GMV-V36-48-60WL-C-T(U)) service.pdf - section Chapter 3 Faults, 4.1 Error Indication. Summarized in our own words; check the original manual for your model.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.