HVACopedia

Gree · Heat pump

LA Group control: indoor series mismatch

Low severity Gree GMV6 Mini VRF

What the control is telling you

One controller is set up for indoor units of different series.

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

Likely causes

  • Controller setup

Test and repair steps

  1. Check the controller setup per its manual.

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

  • HL Fan drive DC bus voltage too low
  • HP Inverter fan AC current protection
  • HU Fan drive AC input voltage fault
  • JA Abnormal pressure protection
  • JL High pressure too low
  • LJ Indoor function DIP setting wrong
  • LU PG fan motor zero-crossing fault
  • Lb Group control: units from different systems

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.

Homeowner looking at this code? See what it means for you and when to call a technician.

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.