Gree Heat Pump: Restore system defaults from the outdoor board (0C)
Restore system defaults from the outdoor board (0C) on a Gree heat pump: Three variants clear different amounts; 0C blinks 3, 5 or 7 seconds on the master board to show which one is running.
Applies to: Gree GMV6 Ultra Heat Mini VRF 36-60k (GMV-V..WL/C-T(U))
How to fix restore system defaults from the outdoor board (0c): step by step
- Full clear: hold SW1 and SW4 for over 10 seconds (0C blinks 3 s).
- Clear that keeps quantities and commissioning status: hold SW2 and SW4 for over 10 seconds (0C blinks 5 s).
- Third variant (manual prints SW3 and SW4): hold for over 10 seconds (0C blinks 7 s).
If the unit shows an error code, look it up: Gree Heat Pump codes
Models
GMV-V36WL/C-T(U)GMV-V48WL/C-T(U)GMV-V60WL/C-T(U)
Source: Gree GMV6 Ultra Heat Mini VRF 36-60k (GMV-V36-48-60WL-C-T(U)) service.pdf - section 4.3 Restoration to Default Settings. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.