Gree Air Conditioner F2 Error Code

Indoor coil sensor fault on Gree air conditioners.

May need a pro

The sensor on the indoor coil isn't giving a usable reading. The board uses it for freeze protection and to manage heating, so it shuts down without it. GREE lists it as a 20k ohm sensor.

Compatible models

Single-zone and multi-zone GREE indoor units can show F2. GREE doesn't publish which models.

Also shown as

No other codes are listed for this fault.

Difficulty

Try the basic checks, but the usual fix is a technician's job.

How to fix
When to call a pro
Parts
FAQ

Not sure you are reading the code right? See how to read Gree air conditioner codes.

Safety first: unplug the air conditioner (or switch off its breaker) before touching filters, hoses or panels. If you smell burning or gas, or see water near the outlet, stop and call a professional.

How to fix Gree F2

Note the timing
Watch whether F2 shows at startup or only after the unit has run a while.
Clean the filters while you're at it
Rinse the indoor filters. If the coil looked icy before the code appeared, mention that to the technician.

When to call a technician

Book a technician to check the sensor plug and replace the sensor if it reads out of range.

Parts linked to F2

These are the parts most often behind this code. Tap one to see what it does and the signs it is failing.

Order parts by your full model number so they fit.

Frequently asked questions

Which Gree models show the F2 code?

Single-zone and multi-zone GREE indoor units can show F2. GREE doesn't publish which models.

Can I fix Gree F2 myself?

Only the basic checks. You can safely try the steps above, but F2 usually points to a part or fault that needs a technician.

Other Gree air conditioner codes

Last reviewed 2026-10-19. Codes and steps can vary by model; check your owner's manual.

Sources we checked