Gree · Heat pump

AC Cooling (system status)

Normal status Gree GMV6 Mini VRF

What the display is showing

AC means the system is running in cooling mode. No action is needed. It is also shown during step 15 of commissioning when the cooling debug run is in progress.

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

U4 Refrigerant shortage at startup
U6 Service valves not opened
AE Add refrigerant manually (commissioning)
AF Fan mode (system status)
AH Heating (system status)
AJ Filter cleaning reminder
AP Commissioning confirmation (step 12)
AU Remote emergency stop

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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; 3.2.2.2 Test Operation and Debugging. 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.