Icon
Reliable Heating and Cooling Solutions – Quality Service, Fair Prices, Guaranteed Satisfaction!

Gree Heat Pump: Show indoor engineering numbers on the indoor units (function n8)

Updated · by Aurora Star Tech Inc.

Show indoor engineering numbers on the indoor units (function n8) on a Gree heat pump: Every indoor unit shows its engineering number so units can be matched to addresses; operation is not affected.

Homeowner with a heat pump problem? Call (647) 657-2977 or book a service call — licensed technicians across Vaughan and the GTA.

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

How to fix show indoor engineering numbers on the indoor units (function n8): step by step

  1. Hold SW2 on the master for over 5 seconds, select n8, confirm with SW3.
  2. Hold SW4 on the master for over 5 seconds to return indoor units to normal.
Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.

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 4.2.4.3 and Chapter 3 Faults, 4.1 Error Indication. 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.

Emergency HVAC Service

647-657-2977