HVACopedia

Gree · Heat pump

Ab Emergency stop

Medium severity Gree GMV6 Mini VRF

What the control is telling you

The emergency stop input is open.

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

Likely causes

  • Emergency stop circuit open

Test and repair steps

  1. Check the emergency stop interface wiring and device.

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
  • AU Remote emergency stop
  • CH Indoor capacity too high
  • CL Indoor capacity too low
  • CP More than one master wired controller
  • Ed Drive IPM low temperature protection
  • FP Outdoor DC fan motor fault

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.