Gree Mini Split F2 Error Code

Updated 2026-08-29 · review status: manual-verified · reviewed by MiniSplitDecoder Editorial Team Last verified: 2026-08-29

Check your model first

  • Livo / R32 residential splits (manual-aligned)
  • Older wall-mount ranges / some aggregators

Match the model on your equipment label to the linked manufacturer documentation. The same code can mean different things across model families.

Quick answer

F2 means the controls are not getting a believable reading from a temperature sensor. On most current Gree wall-mount splits it is the indoor evaporator coil sensor; on some ranges the F-codes shift and F2 points at the outdoor condenser sensor. Sensor circuits are technician work.

Severity: medium · DIY difficulty: easy

Safety

Stop at the single power-cycle check. Do not open panels, test sensor resistance, touch wiring or connectors, or keep resetting - sensor and board diagnosis is technician-only.

What F2 means

F2 means the controls are not getting a believable reading from the indoor evaporator temperature sensor, so the unit stops or limits operation because it cannot safely judge coil conditions. On some Gree ranges the F-code table shifts by one and F2 instead maps to the outdoor condenser coil sensor - either way it is an open/short or out-of-range sensor circuit, which is technician work.

Code meaning varies by series

  • Livo / R32 residential splits (manual-aligned): Indoor evaporator coil temperature sensor circuit error
  • Older wall-mount ranges / some aggregators: Outdoor condenser coil temperature sensor fault (F-series shifted by one position)

Causes, ranked

  1. 1. Evaporator coil temperature sensor reading out of range (open or short) common pro only

    Check: Requires meter measurement of sensor resistance against the service-manual table.

    Fix: Technician: test the coil sensor, replace if open/short or out of spec.

  2. 2. Loose sensor connector or damaged sensor lead occasional pro only

    Check: Connector and harness inspection is inside the indoor unit chassis.

    Fix: Technician: reseat or repair the sensor connector and lead.

  3. 3. Moisture, corrosion, or vibration affecting the sensor circuit occasional pro only

    Check: Requires opening the chassis to inspect the circuit.

    Fix: Technician: clean/dry the connector area and repair corrosion damage.

  4. 4. Indoor control board input fault after the sensor checks out rare pro only

    Check: Board-level voltage checks only.

    Fix: Technician: diagnose the indoor PCB sensor input; replace board if faulty.

Related codes

Cross-references for the same fault family, by brand:

Gree F1 · Gree F3 · Gree F4 · Gree F0

Commonly searched as: "gree f2" · "gree error code f2" · "gree air conditioner f2"

Sources

Related Mini Split guides

Mini-Split Communication Error: DIY Checks · Mini-Split Flashing Light Decoder: Blink Patterns · How to Reset a Mini-Split After a Power Outage · Mini-Split Sensor Errors: How to Test a Thermistor