Gree · Heat pump

Power LED Main board and drive board power LEDs on

Normal status Gree GMV6 Mini VRF

What the display is showing

The outdoor main board and drive board power indicators stay lit while the unit is in low-power standby. They must be off, and the input terminals confirmed at zero volts, before any service work.

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

PE Inverter compressor phase loss
PF Compressor drive charging circuit fault
PH DC bus voltage too high
PJ Inverter compressor failed to start
PL DC bus voltage too low
PP Inverter compressor AC current protection
UC Master indoor unit set successfully
UE Refrigerant charging invalid

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Source: Gree GMV6 Ultra Heat Mini VRF 36-60k (GMV-V36-48-60WL-C-T(U)) service.pdf - section Chapter 2 Commissioning, 1 Commissioning Process (note on low-power standby). 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.