Gree · Heat pump

Ad Commissioning step 02: allocating addresses

Normal status Gree GMV6 Mini VRF

What the display is showing

02/Ad alternates on the outdoor display while the system allocates indoor addresses. After about 10 seconds the display moves on, and if there is no master indoor unit L7 shows for 1 minute so a master can be chosen by hand.

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

AJ Filter cleaning reminder
AP Commissioning confirmation (step 12)
AU Remote emergency stop
Ab Emergency stop
Ay Shielding status (remote limit)
CH Indoor capacity too high
CL Indoor capacity too low
CP More than one master wired controller

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Source: Gree GMV6 Ultra Heat Mini VRF 36-60k (GMV-V36-48-60WL-C-T(U)) service.pdf - section 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.