GREE H5 error code

What it means

H5 means the outdoor inverter power module protected itself from an abnormal compressor-drive condition. A blocked outdoor coil can contribute, but the protected components are inside the outdoor cabinet and are not homeowner-serviceable. Manual trigger: H5 means the inverter module has gone into IPM protection.

Urgency

Likely causes

1. Brief power event, brownout, or unstable supply voltage
2. Loose power connection, reactor, or outdoor electrical component problem
3. Inverter/IPM protection or current-detection fault
4. Compressor winding, drive, or outdoor board fault after power checks pass

Homeowner fix

Clear leaves, snow, or loose debris from around the outdoor unit without removing panels, then reset power once. Expected result: an airflow-related nuisance trip clears; if H5 returns, stop using the unit.

When to call a pro

Call a licensed HVAC technician if H5 returns or the outdoor unit will not start. Tell them the code is IPM protection.

Repair vs replace

IPM and compressor-drive faults can become expensive. On older equipment, compare any quote involving an inverter module or compressor with replacement options.

• GREE Livo R32 9,000 BTU (230V)

  Livo R32

• GREE Livo R32 9,000 BTU R-32 115V (LIV09HP115V1R32AH / LIV09HP115V1R32AO)

  Livo R32

• GREE Livo R32 12,000 BTU (230V)

  Livo R32

• GREE Livo R32 12,000 BTU R-32 115V (LIV12HP115V1R32AH / LIV12HP115V1R32AO)

  Livo R32

Parts for this line

The parts catalog for GREE Livo R32 lists 8 sourced replacement parts for this product line.

For your technician

Technician note: check outdoor airflow first, then IPM protection, compressor phase current, compressor windings, and outdoor drive-board diagnosis. Page context: GREE maps this display to the Livo R32 line; source: GREE R32 residential mini-split service manuals; display convention: match the letter H and five marker exactly before comparing neighboring codes.

Which systems show it

• GREE LIVO R32 wall-mounted single-zone systems.
• GREE VIREO R32, ENVO R32, and Sapphire R32 wall-mounted single-zone systems using the common GREE R32 high-wall diagnostic table.
• GREE Free Match/Multi R32 and Free Match ECO/Multi ECO R32 systems when the connected indoor unit uses this common GREE indoor display table; GREE notes that multi-zone codes can differ by indoor unit type.

Related troubleshooting

Use the symptom guide alongside the exact display code if the unit is flashing, cycling, or showing comfort symptoms.

Reset note

Clear leaves, snow, or loose debris from around the outdoor unit without removing panels, then reset power once. Expected result: an airflow-related nuisance trip clears; if H5 returns, stop using the unit.

Manual trigger

H5 means the inverter module has gone into IPM protection.

Related codes

Source

Next step