Gree Error Code H8: Fan drive module overheated (Heat Pump)

Updated October 13, 2026 · by Aurora Star Tech Inc.

Gree error code H8 on a heat pump means: Fan drive module overheated. It is also called Gree diagnostic code H8.

High severityHeat PumpGree GMV6 Mini VRF

Homeowner? What Gree code H8 means for you

Call a technician Your heat pump is reporting: Fan drive module overheated. The heat pump has locked out or cannot run properly. One reset is fine; if the code comes back, it needs a licensed technician to find the cause.

Safe things you can check yourself

Check the thermostat: right mode (Heat or Cool), set a few degrees past room temperature, and fresh batteries if it uses them.
Check both breakers and the outdoor disconnect box beside the outdoor unit; all should be ON.
Look at the air filter. If it is grey and clogged, replace it; a blocked filter causes many shutdowns.
In winter, keep snow and ice off and away from the outdoor unit. A short defrost cycle with steam is normal.
Try one reset: turn the power off for 30 seconds, then back on. If the code comes back, stop resetting and call a technician.

Call (647) 657-2977 Book a service call

Licensed technicians serving Vaughan, Toronto and the GTA.

What does Gree error code H8 mean?

Outdoor fan drive fault: fan drive module overheated.

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

Common causes of Gree code H8

Fan motor or wiring problem
Supply voltage problem
Fan drive / main board fault

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.

Gree models that use code H8

GMV-V36WL/C-T(U)GMV-V48WL/C-T(U)GMV-V60WL/C-T(U)

Other Gree Heat Pump codes

Code	Meaning
H1	Defrost or oil return (status)
H3	Compressor overload protection
H4	System abnormal (overload)
H5	IPM (inverter module) protection
H6	Indoor fan motor not running / no feedback
H7	Compressor lost synchronism
H9	Inverter fan lost synchronism
HA	Fan drive memory chip fault
HC	PFC protection
HE	Inverter fan phase loss
HF	Fan drive charging circuit fault
HH	Fan drive DC bus voltage too high

All Gree Heat Pump error codes →

Gree code H8: homeowner questions

What does Gree code H8 mean?

Fan drive module overheated. Outdoor fan drive fault: fan drive module overheated.

Is it safe to keep using my heat pump with code H8?

It depends on the cause. The heat pump has locked out or cannot run properly. One reset is fine; if the code comes back, it needs a licensed technician to find the cause.

Can I reset Gree code H8 myself?

You can try one reset (power off for 30 seconds, then on). If Gree code H8 comes back, the cause is still there and a licensed technician should check it.

Who can fix Gree code H8 near me?

Aurora Star Tech Inc. repairs Gree heat pumps in Vaughan, Toronto and across the GTA. Call (647) 657-2977 or book a service call online.

Homeowner help: AC Running But Not Cooling: What to Check · Heat Pump Not Heating or Blowing Cold Air

Troubleshooting guides

Compressor will not run - Gree ductless Gree · Heat Pump
Louver will not swing - Gree ductless Gree · Heat Pump
Noise or vibration - Gree ductless Gree · Heat Pump
Outdoor fan will not run - Gree ductless Gree · Heat Pump
Unit will not start - Gree ductless Gree · Heat Pump
Water leaking from indoor unit - Gree ductless Gree · Heat Pump
Weak cooling or heating - Gree ductless Gree · Heat Pump

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. 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.